JPH11240547A - Device and method for closing open cylinder - Google Patents

Device and method for closing open cylinder

Info

Publication number
JPH11240547A
JPH11240547A JP10047899A JP4789998A JPH11240547A JP H11240547 A JPH11240547 A JP H11240547A JP 10047899 A JP10047899 A JP 10047899A JP 4789998 A JP4789998 A JP 4789998A JP H11240547 A JPH11240547 A JP H11240547A
Authority
JP
Japan
Prior art keywords
opening
opening cylinder
closing
pipe
cylinder
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.)
Withdrawn
Application number
JP10047899A
Other languages
Japanese (ja)
Inventor
Seiji Miki
清司 三木
Kimio Hirahara
君男 平原
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.)
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
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 Babcock Hitachi KK filed Critical Babcock Hitachi KK
Priority to JP10047899A priority Critical patent/JPH11240547A/en
Publication of JPH11240547A publication Critical patent/JPH11240547A/en
Withdrawn legal-status Critical Current

Links

Landscapes

  • Pressure Vessels And Lids Thereof (AREA)
  • Closures For Containers (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

PROBLEM TO BE SOLVED: To easily close an open cylinder having a long protruding length or an open cylinder which is mounted in a complicated manner using a simple construction. SOLUTION: There are provided a closing plate 4 to close an opening 23 of a pipe 2 mounted to a pressure vessel and a press means Q to press the plate 4 against the opening 23 of the pipe 2 from the outside. The means Q includes double-split annular stoppers 3 each of which is forced into an annular groove 7 provided in the circumferential direction of the pipe 2 by tie bolts and nuts, and bolts 5 and nuts 6 which pull the plate 4 connected to these two stoppers 3 toward the opening of the plate 4. By pressing the plate 4 against the opening 23, the opening 23 is closed so that the interior of a device and the outside thereof are separated or sealed airtightly.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、機器に設けられる
開口筒の開口部を閉止し、機器の内部と外部とを圧力的
に遮断またはシールする開口筒の閉止装置および閉止方
法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device and a method for closing an opening of an opening cylinder provided in a device to close or seal the inside and the outside of the device with pressure. .

【0002】[0002]

【従来の技術】図3は、従来技術に係るノズルの閉止装
置の一例を示す断面図である。圧力のかかる機器、例え
ば圧力容器の耐圧試験を行なう際、圧力容器のノズル
(開口筒)などの開口部を閉止する必要がある。図3に
示すノズルの閉止装置は、ノズル1の先端に接続された
セーフエンド11aおよび先端部材11bに閉止板4を
溶接部12で溶接されたものである。
2. Description of the Related Art FIG. 3 is a sectional view showing an example of a conventional nozzle closing device. When performing a pressure test of a device under pressure, for example, a pressure vessel, it is necessary to close an opening such as a nozzle (opening cylinder) of the pressure vessel. In the nozzle closing device shown in FIG. 3, the closing plate 4 is welded to the safe end 11 a and the tip member 11 b connected to the tip of the nozzle 1 by the welding portion 12.

【0003】図4は、図3と同様の別のノズルの閉止装
置を示す断面図である。図4に示すノズルの閉止装置
は、ノズル1の内側基端部にストッパー3を設け、ボル
ト5、ナット6aおよび座金6bなどを介して閉止板4
を圧力容器22側に引き付けて固定するものである。こ
の際、閉止板4は、ボルト5に挿入されたボルト用サポ
ート13およびカラー14によって位置決めされる。閉
止板4と押え板15はボルトおよび座金16によって固
定される。閉止板4および押え板15とノズル1の間、
閉止板4と押え板15の間などにOリング8を介在させ
て機器内部のシール性を確保する。
FIG. 4 is a sectional view showing another nozzle closing device similar to FIG. In the nozzle closing device shown in FIG. 4, a stopper 3 is provided at the inner base end of the nozzle 1 and a closing plate 4 is provided via bolts 5, nuts 6a, washers 6b and the like.
Is attracted to the pressure vessel 22 side and fixed. At this time, the closing plate 4 is positioned by the bolt support 13 and the collar 14 inserted into the bolt 5. The closing plate 4 and the holding plate 15 are fixed by bolts and washers 16. Between the closing plate 4 and the holding plate 15 and the nozzle 1,
An O-ring 8 is interposed between the closing plate 4 and the holding plate 15 to ensure the sealing property inside the device.

【0004】[0004]

【発明が解決しようとする課題】図3に示したノズルの
閉止装置の場合、耐圧試験終了後に閉止板4を切断除去
し、配管などの取り付けのために改めて先端部を加工
し、検査を受ける必要がある。従って、耐圧試験後に加
工作業およびその検査作業が発生する。
In the case of the nozzle closing device shown in FIG. 3, after the pressure test is completed, the closing plate 4 is cut and removed, and the tip portion is processed again for installation of pipes and the like, and is inspected. There is a need. Therefore, a processing operation and an inspection operation thereof occur after the pressure test.

【0005】これに対して図4に示したノズルの閉止装
置の場合は、最終加工状態で閉止板4を取り付けて耐圧
試験を実施できるため、耐圧試験後の作業を行なう必要
はない。しかしながら、この装置はノズル1の短かいも
のには採用できるが、ノズルが長く、その先端でシール
する場合などには閉止板4とストッパー3を連結するボ
ルトが長くなり閉止装置の組み立が困難になる虞れがあ
る。また、ボルト5の位置決めを行なうためのストッパ
ー3の挿入も難しく、確実に開口部を閉止することは困
難である。
On the other hand, in the case of the nozzle closing device shown in FIG. 4, the pressure test can be performed by attaching the closing plate 4 in the final processing state, so that there is no need to perform the operation after the pressure test. However, this device can be used for a short nozzle 1, but when the nozzle is long and the tip is sealed, the bolt connecting the closing plate 4 and the stopper 3 becomes long, making assembly of the closing device difficult. There is a risk of becoming. Also, it is difficult to insert the stopper 3 for positioning the bolt 5, and it is difficult to reliably close the opening.

【0006】図5は、上鏡18に多数のノズルおよび配
管を有する圧力容器を一部断面で示す正面図である。圧
力容器22の上鏡18に取り付けられた多数のノズル1
に配管2が溶接され、先端は開口部23になっている。
この圧力容器22の耐圧試験は、配管2と一緒に行なう
必要があるが、図4に示したノズルの閉止装置を利用す
る場合は、配管2の長さが約5mにも及ぶため、圧力容
器の上鏡18内側に、図4に示したストッパー3を設
け、ノズル1および配管2内部に図4に示したボルト用
サポート13およびカラー14を配置してボルト5を貫
通させ配管先端の閉止板4と連結することは難しい。ま
た、ノズル1が上鏡18に放射状に取り付けされ、スト
ッパー3の形状を上鏡18内側とノズル1の取り付け角
度に合わせた形状とし、内圧に耐える形状にする必要が
あるので構造が複雑となる。
FIG. 5 is a front view showing a partial cross section of a pressure vessel having a large number of nozzles and pipes in the upper mirror 18. Numerous nozzles 1 attached to the upper mirror 18 of the pressure vessel 22
The pipe 2 is welded, and the tip is an opening 23.
The pressure test of the pressure vessel 22 needs to be performed together with the pipe 2. However, when the nozzle closing device shown in FIG. 4 is used, the length of the pipe 2 is about 5 m. The stopper 3 shown in FIG. 4 is provided inside the upper mirror 18, and the bolt support 13 and the collar 14 shown in FIG. It is difficult to connect with 4. Further, since the nozzle 1 is radially mounted on the upper mirror 18 and the shape of the stopper 3 needs to be a shape corresponding to the mounting angle between the inside of the upper mirror 18 and the nozzle 1 and a shape that can withstand the internal pressure, the structure becomes complicated. .

【0007】本発明の課題は、突き出し部の長い開口筒
や機器への取り付け形状が複雑な開口筒の閉止が簡単な
構造で容易に行なえることである。
SUMMARY OF THE INVENTION It is an object of the present invention to easily close an opening cylinder having a long protruding portion or an opening cylinder having a complicated mounting shape to equipment with a simple structure.

【0008】[0008]

【課題を解決するための手段】上記課題を解決するため
本発明は、機器に設けられる開口筒の開口部を閉止し、
前記機器の内部と外部とを圧力的に遮断する開口筒の閉
止装置において、前記開口筒の開口部にふたをする蓋体
と、前記開口筒の外側から前記蓋体を開口部に押し付け
る押付手段とを備えることである。
SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention closes an opening of an opening cylinder provided in a device,
In a device for closing an opening cylinder that pressure-blocks the inside and the outside of the device, a lid that covers an opening of the opening cylinder, and pressing means that presses the lid against the opening from outside the opening cylinder. Is to be provided.

【0009】開口筒の開口部を蓋体でふたをし、押付手
段によってこの蓋体を開口筒の外側から開口部に押し付
けることにより、機器から長く突き出している開口筒や
機器への取り付け形状、特に開口筒内部形状の複雑な開
口筒の閉止が簡単な構造で容易に行なえるさらに、上記
開口筒の閉止装置において、前記押付手段は、前記開口
筒の外側に係止する係止部材と、該係止部材に接続され
前記蓋体を開口部側に引き付ける引付部材とを有するこ
とである。
The opening of the opening cylinder is covered with a lid, and the lid is pressed against the opening from the outside of the opening cylinder by a pressing means, so that the shape of the opening cylinder that protrudes from the device and the shape of attachment to the device can be improved. Particularly, the closing of the complicated opening cylinder having the inside shape of the opening cylinder can be easily performed with a simple structure.Furthermore, in the closing device for the opening cylinder, the pressing means includes a locking member that locks the outside of the opening cylinder, And a pulling member connected to the locking member for pulling the lid toward the opening.

【0010】押付手段の係止部材は、開口筒の外側に係
止することにより開口筒の外側に固定される。引付部材
は、開口筒の外側に係止する係止部材に接続され、蓋体
を開口部側に引き付けるので、上記開口筒の閉止装置の
作用に加え、蓋体は開口部に押し付けられ、開口部を閉
止する。
[0010] The locking member of the pressing means is fixed to the outside of the opening tube by locking to the outside of the opening tube. The pulling member is connected to a locking member that locks to the outside of the opening cylinder, and pulls the lid toward the opening, so that in addition to the operation of the closing device for the opening cylinder, the lid is pressed against the opening, Close the opening.

【0011】そして、上記係止部材と引付部材とを有す
る押付手段を備える開口筒の閉止装置において、前記係
止部材は、前記開口筒の外側周方向に設けられる溝に係
止するとともに二つ以上に分割され、前記開口筒の溝に
係止される際は互いに締結手段で接続されて係止される
ことである。
In the closing device for an opening cylinder provided with a pressing means having the locking member and the pulling member, the locking member is locked in a groove provided in an outer circumferential direction of the opening cylinder and has a second position. When it is divided into two or more and is locked in the groove of the opening cylinder, it is connected to each other by fastening means and locked.

【0012】上記係止部材と引付部材とを有する押付手
段を備える開口筒の閉止装置の作用に加え、係止部材
は、二つ以上に分割されるので、開口筒の外側周方向に
設けられる溝に外側から容易に嵌着させることができ
る。溝に嵌着される二つ以上の係止部材は互いに締結手
段で接続され、開口筒の外側に固定される。従って、引
付部材は固定された係止部材に接続されることにより蓋
体を開口部側に引き付けることが可能になる。この際、
蓋体はシール材を介して開口部に引き付けられることに
より、シール性が良好になる。
In addition to the function of the opening cylinder closing device provided with the pressing means having the locking member and the pulling member, since the locking member is divided into two or more, it is provided in the outer circumferential direction of the opening cylinder. Can be easily fitted into the groove to be formed from the outside. Two or more locking members fitted into the groove are connected to each other by fastening means, and are fixed to the outside of the opening cylinder. Therefore, the attraction member is connected to the fixed locking member, so that the lid can be attracted toward the opening. On this occasion,
The lid is attracted to the opening via the sealing material, so that the sealing performance is improved.

【0013】また、機器に設けられる開口筒の開口部を
閉止し、前記機器の内部と外部とを圧力的に遮断する開
口筒の閉止方法において、前記開口筒の開口部に蓋体を
押し付ける際の押付反力を前記開口筒の外側面に形成さ
れる溝に受けさせて前記開口筒の開口部を閉止すること
である。
In a method of closing an opening cylinder for closing an opening of an opening cylinder provided in a device and pressure-blocking the inside and the outside of the device, a method of pressing a lid against the opening of the opening cylinder is provided. Is received by a groove formed on the outer surface of the opening cylinder to close the opening of the opening cylinder.

【0014】上記開口筒の閉止方法によれば、蓋体を押
し付ける際の押付反力を開口筒の外側面に形成される溝
に受けさせるので、突き出し部の長い開口筒や機器への
取り付け形状が複雑な開口筒であっても、その溝に係止
させることにより簡単に容易に開口筒の開口部を閉止す
ることができる。そして、開口筒の外側面に形成する溝
を円周方向に環状に設ければ、複数の分割されたリング
状部材を、開口筒の溝に嵌着して固定し、このリング状
部材を反力受けとして利用できるので都合が良い。開口
筒の溝は、開口筒の開口部端面から近い位置に設けれ
ば、変形が少なく開口筒の長さに影響されず閉止するこ
とができる。
According to the above-mentioned method of closing the opening cylinder, the pressing reaction force when pressing the lid is received in the groove formed on the outer surface of the opening cylinder, so that the shape of the opening cylinder having a long protruding portion or the mounting shape to the device is improved. Even if the opening cylinder is complicated, the opening of the opening cylinder can be easily and easily closed by engaging with the groove. If a groove formed on the outer surface of the opening cylinder is provided in an annular shape in the circumferential direction, a plurality of divided ring-shaped members are fitted and fixed in the groove of the opening cylinder, and the ring-shaped member is fixed. It is convenient because it can be used as a support. If the groove of the opening cylinder is provided at a position close to the opening end face of the opening cylinder, the groove can be closed with little deformation without being affected by the length of the opening cylinder.

【0015】[0015]

【発明の実施の形態】以下、本発明の開口筒の閉止装置
の実施形態を図面に基づいて説明する。
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an apparatus for closing an opening cylinder according to an embodiment of the present invention.

【0016】図1は、本発明に係る開口筒の閉止装置の
一実施形態を示す断面図である。図2は、図1の I−I
線断面図である。本実施形態の開口筒の閉止装置Pは、
圧力容器、加圧反応器などの機器に接続して設けられる
開口筒としての配管(またはノズル)2の開口部23を
閉止し、機器の内部と外部とを圧力的に遮断ないしシー
ルするものである。
FIG. 1 is a sectional view showing an embodiment of a device for closing an opening cylinder according to the present invention. FIG. 2 is a sectional view taken along the line II of FIG.
It is a line sectional view. The opening cylinder closing device P of the present embodiment includes:
A pipe (or nozzle) 2 serving as an open cylinder connected to equipment such as a pressure vessel or a pressurized reactor is closed by an opening 23 to shut off or seal the inside and outside of the equipment with pressure. is there.

【0017】さらに、本実施形態の開口筒の閉止装置P
は、配管の開口部23にふたをする蓋体としての閉止板
4と、配管2の外側から閉止板4を開口部23に押し付
ける押付手段Qとを備える。押付手段Qは、配管2の先
端近傍の外側周方向に設けられる溝7に係止する係止部
材としてのリング状のストッパー3と、このストッパー
3に接続され閉止板4を開口部23側に引き付ける引付
部材としてボルト5およびナット6を有する。ボルト5
の他端側は、図1に示すように、閉止板4に形成される
複数の孔4aに挿通されナット6で固定される。また、
閉止板4には環状溝4bが形成されており、配管の先端
部2bが嵌入する。
Furthermore, the opening cylinder closing device P according to the present embodiment.
Includes a closing plate 4 as a lid that covers the opening 23 of the pipe, and pressing means Q for pressing the closing plate 4 against the opening 23 from outside the pipe 2. The pressing means Q includes a ring-shaped stopper 3 serving as a locking member that locks in a groove 7 provided in the outer circumferential direction near the tip of the pipe 2, and the closing plate 4 connected to the stopper 3 toward the opening 23. It has a bolt 5 and a nut 6 as attracting members. Bolt 5
As shown in FIG. 1, the other end is inserted through a plurality of holes 4 a formed in the closing plate 4 and is fixed with a nut 6. Also,
An annular groove 4b is formed in the closing plate 4, and the tip 2b of the pipe fits therein.

【0018】図2に示すように、ボルト5の一端側は、
ストッパー3に形成される複数のボルトねじ孔10に螺
合、固定される。ストッパー3は、二つ以上、例えば二
つに分割され、配管を挾み込むように溝7に嵌着され、
ストッパー3の一方に形成される孔3aに挿通される締
結手段である締付ボルト9aおよびストッパー3の他方
に形成される締結手段であるねじ孔3bによって互いに
締結される。さらに、ストッパー3は、図5に示すよう
に、上鏡18に林立して取り付けられるノズル1および
配管2の場合には、配管2同士の間隔による取付性を考
慮し、2〜4分割されることが好ましい。因に、閉止板
の環状溝4bと配管の先端部2bとはシール材としての
二つのOリング8を介して密着し、配管2の内部と外部
とを圧力的に遮断ないしシールしている。閉止板4のO
リング8は、配管先端のテーパー形状に合わせ開口部端
面とテーパー面に二重に取り付けされている。
As shown in FIG. 2, one end of the bolt 5
It is screwed into a plurality of bolt screw holes 10 formed in the stopper 3 and fixed. The stopper 3 is divided into two or more, for example, two, and is fitted in the groove 7 so as to sandwich the pipe.
The stopper 3 is fastened to each other by a fastening bolt 9a, which is a fastening means inserted into a hole 3a formed in one of the stoppers 3, and a screw hole 3b, which is a fastening means formed in the other of the stopper 3. Further, as shown in FIG. 5, the stopper 3 is divided into two to four parts in the case of the nozzle 1 and the pipe 2 which are mounted on the upper mirror 18 in a stand-by manner, in consideration of the mounting property due to the interval between the pipes 2. Is preferred. Incidentally, the annular groove 4b of the closing plate and the tip 2b of the pipe are in close contact with each other via two O-rings 8 as a sealing material, so as to pressure-block or seal the inside and the outside of the pipe 2. O of closing plate 4
The ring 8 is doubly attached to the end face of the opening and the tapered face in accordance with the tapered shape of the pipe tip.

【0019】上記構造を有する本実施形態の開口筒の閉
止装置Pは次のように作用する。すなわち、リング状の
ストッパー3は、配管2の外側周方向に設けらる溝7に
嵌着、係止し、閉止板4とストッパー3とはボルト5、
ナット6で連結される。ボルト5を締め付けることによ
り、閉止板4は配管の先端部2bに押圧され、ストッパ
ー3を反力受けとしてOリング8を配管の先端部2bと
の間で圧縮し遮断ないしシールする。配管2に内圧がか
かっても、ストッパー3は溝7の縁2aに拘束され反力
受けとなる。また、ストッパー3は開口部23に近い配
管の外側平行部に設けられる溝7に嵌着、固定されるの
で、ボルト5は短くて良く、内圧による変形、シール性
への影響などがない。従って、装置の組み立ても容易に
行なうことができる。
The opening cylinder closing device P of the present embodiment having the above-described structure operates as follows. That is, the ring-shaped stopper 3 is fitted and locked in a groove 7 provided in the outer circumferential direction of the pipe 2, and the closing plate 4 and the stopper 3
They are connected by a nut 6. When the bolt 5 is tightened, the closing plate 4 is pressed by the distal end portion 2b of the pipe, and the stopper 3 is used as a reaction force receiving member to compress the O-ring 8 with the distal end portion 2b of the pipe to block or seal. Even if internal pressure is applied to the pipe 2, the stopper 3 is restricted by the edge 2a of the groove 7 and receives a reaction force. In addition, since the stopper 3 is fitted and fixed in the groove 7 provided in the outer parallel portion of the pipe near the opening 23, the bolt 5 may be short, and there is no deformation due to internal pressure and no influence on the sealing performance. Therefore, assembly of the apparatus can be easily performed.

【0020】本実施形態の開口筒の閉止装置は、突き出
しの長いノズル或いは配管の開口部の閉止構造を簡素化
できるとともに、ストッパーおよび閉止板などの取り付
け、取り外しを容易に行なうことができる。特に、配管
開口部近傍の外側面に地震時の水平方向の荷重を抑制す
るための耐震サポート取り付けなどの目的で周方向に溝
が設けられる構造のものにおいては、改めて溝加工をす
る必要がない。また、配管内部の形状または取り付け形
状が複雑な場合にも容易に組み立てることができる。
The opening cylinder closing device according to the present embodiment can simplify the structure for closing the opening of the nozzle or the pipe with a long protrusion, and can easily attach and detach the stopper and the closing plate. In particular, in the case of a structure in which a groove is provided in the circumferential direction on the outer surface near the pipe opening for the purpose of mounting an earthquake-resistant support for suppressing a horizontal load in the event of an earthquake, it is not necessary to re-groove. . In addition, even when the shape inside the pipe or the mounting shape is complicated, it can be easily assembled.

【0021】次に本発明の開口筒の閉止方法の実施形態
について図1、2を利用して説明する。本実施形態は、
圧力容器などの機器に設けられる配管(開口筒)2の開
口部23を閉止し、機器の内部と外部とを圧力的に遮断
する方法である。開口筒の開口部23に閉止板(蓋体)
4を押し付ける際の押付反力を配管の外側面に形成され
る溝7に受けさせて配管の開口部23を閉止する。
Next, an embodiment of a method for closing an opening cylinder according to the present invention will be described with reference to FIGS. In this embodiment,
This is a method in which the opening 23 of a pipe (opening cylinder) 2 provided in a device such as a pressure vessel is closed, and the inside and the outside of the device are pressure-blocked. A closing plate (lid) at the opening 23 of the opening cylinder
4 is received by the groove 7 formed on the outer surface of the pipe, and the opening 23 of the pipe is closed.

【0022】上記開口筒の閉止方法は、閉止板4を押し
付ける際の押付反力を開口筒の外側面に形成される溝7
に受けさせるので、突き出し部の長い配管2や機器への
取り付け形状が複雑な配管2、特に配管内部側の形状が
複雑であっても、その溝7に係止させることにより簡単
に容易に配管の開口部23を閉止することができる。こ
の際、溝7を円周方向に設ければ、複数、例えば図2の
ような二つに分割されたストッパー(リング状部材)3
を使用して配管の溝7に嵌着させて固定し、このストッ
パー3を反力受けとして利用できる。配管の溝7は、開
口部端面から近い位置に設ければ、配管の長さに影響さ
れず閉止することができる。
In the method of closing the opening cylinder, the pressing reaction force when pressing the closing plate 4 is applied to the groove 7 formed on the outer surface of the opening cylinder.
Even if the pipe 2 has a long protruding portion or the pipe 2 has a complicated shape to be attached to equipment, especially if the inside of the pipe has a complicated shape, the pipe 7 can be easily and easily connected to the groove 7. Opening 23 can be closed. At this time, if the groove 7 is provided in the circumferential direction, the stopper (ring-shaped member) 3 divided into a plurality, for example, two as shown in FIG.
The stopper 3 can be used as a reaction force receiver by fitting it into the groove 7 of the pipe and fixing it. If the groove 7 of the pipe is provided at a position close to the end face of the opening, it can be closed without being affected by the length of the pipe.

【0023】[0023]

【発明の効果】本発明の開口筒の閉止装置および閉止方
法によれば、機器からの突き出しの長い開口筒や機器へ
の取り付けが複雑な開口筒の閉止が簡単な構造で容易に
行なうことができる。
According to the opening cylinder closing device and the closing method of the present invention, it is possible to easily close the opening cylinder protruding from the device or the opening cylinder complicated to mount on the device with a simple structure. it can.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明に係る開口筒の閉止装置の一実施形態を
示す断面図である。
FIG. 1 is a cross-sectional view showing an embodiment of an opening cylinder closing device according to the present invention.

【図2】図1の I−I 線断面図である。FIG. 2 is a sectional view taken along line II of FIG. 1;

【図3】従来技術に係るノズルの閉止装置の一例を示す
断面図である。
FIG. 3 is a cross-sectional view illustrating an example of a nozzle closing device according to the related art.

【図4】図3と同様の別のノズルの閉止装置を示し、
(A)は縦断面図、(B)は下面図である。
FIG. 4 shows another nozzle closing device similar to FIG. 3,
(A) is a longitudinal sectional view, (B) is a bottom view.

【図5】上鏡に多数のノズルおよび配管を有する圧力容
器を一部断面で示す正面図である。
FIG. 5 is a front view showing a partial cross section of a pressure vessel having a large number of nozzles and pipes in an upper mirror.

【符号の説明】[Explanation of symbols]

P 開口筒の閉止装置 Q 押付手段 2 配管(開口筒) 3 ストッパー(係止部材) 4 閉止板(蓋体) 5 ボルト(引付部材) 6 ナット(引付部材) 7 溝 9a、9b 締付ボルト(締結手段) 23 開口部 P Closing device for opening cylinder Q Pressing means 2 Piping (opening cylinder) 3 Stopper (locking member) 4 Closing plate (lid) 5 Bolt (pulling member) 6 Nut (pulling member) 7 Groove 9a, 9b Tightening Bolt (fastening means) 23 Opening

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 機器に設けられる開口筒の開口部を閉止
し、前記機器の内部と外部とを圧力的に遮断する開口筒
の閉止装置において、前記開口筒の開口部にふたをする
蓋体と、前記開口筒の外側から前記蓋体を開口部に押し
付ける押付手段とを備えることを特徴とする開口筒の閉
止装置。
1. An opening cylinder closing device for closing an opening of an opening cylinder provided in a device and pressure-blocking the inside and the outside of the device, wherein a lid body covers the opening of the opening tube. And a pressing means for pressing the lid against the opening from the outside of the opening cylinder.
【請求項2】 請求項1において、前記押付手段は、前
記開口筒の外側に係止する係止部材と、該係止部材に接
続され前記蓋体を開口部側に引き付ける引付部材とを有
することを特徴とする開口筒の閉止装置。
2. The device according to claim 1, wherein the pressing means includes: a locking member that locks the outside of the opening cylinder; and a pulling member that is connected to the locking member and pulls the lid toward the opening. A closing device for an opening cylinder, comprising:
【請求項3】 請求項2において、前記係止部材は、前
記開口筒の外側周方向に設けられる溝に係止するととも
に二つ以上に分割され、前記開口筒の溝に係止される際
は互いに締結手段で接続されて係止されることを特徴と
する開口筒の閉止装置。
3. The locking member according to claim 2, wherein the locking member locks into a groove provided in an outer circumferential direction of the opening cylinder and is divided into two or more, and is locked in the groove of the opening cylinder. Are connected and fastened to each other by fastening means.
【請求項4】 機器に設けられる開口筒の開口部を閉止
し、前記機器の内部と外部とを圧力的に遮断する開口筒
の閉止方法において、前記開口筒の開口部に蓋体を押し
付ける際の押付反力を前記開口筒の外側面に形成される
溝に受けさせて前記開口筒の開口部を閉止することを特
徴とする開口筒の閉止方法。
4. A method for closing an opening cylinder for closing an opening of an opening cylinder provided in a device and pressure-blocking the inside and the outside of the device, wherein a lid is pressed against the opening of the opening cylinder. Wherein the pressing reaction force is received by a groove formed on the outer surface of the opening cylinder to close the opening of the opening cylinder.
JP10047899A 1998-02-27 1998-02-27 Device and method for closing open cylinder Withdrawn JPH11240547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10047899A JPH11240547A (en) 1998-02-27 1998-02-27 Device and method for closing open cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10047899A JPH11240547A (en) 1998-02-27 1998-02-27 Device and method for closing open cylinder

Publications (1)

Publication Number Publication Date
JPH11240547A true JPH11240547A (en) 1999-09-07

Family

ID=12788254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10047899A Withdrawn JPH11240547A (en) 1998-02-27 1998-02-27 Device and method for closing open cylinder

Country Status (1)

Country Link
JP (1) JPH11240547A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104477498A (en) * 2014-11-24 2015-04-01 常熟市宇力机械有限公司 Trapezoid continuous sealing bottle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104477498A (en) * 2014-11-24 2015-04-01 常熟市宇力机械有限公司 Trapezoid continuous sealing bottle

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