JP4193661B2 - 流体圧アクチュエータ - Google Patents
流体圧アクチュエータ Download PDFInfo
- Publication number
- JP4193661B2 JP4193661B2 JP2003339777A JP2003339777A JP4193661B2 JP 4193661 B2 JP4193661 B2 JP 4193661B2 JP 2003339777 A JP2003339777 A JP 2003339777A JP 2003339777 A JP2003339777 A JP 2003339777A JP 4193661 B2 JP4193661 B2 JP 4193661B2
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pressure
- cylinder
- relief valve
- load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Actuator (AREA)
Description
最大圧力を増大させて大荷重にしたいというニーズに対しては、圧延機の異常時や保全時などの負荷抵抗体無の時に最大伸長した場合、ストッパー機構部がピストン荷重に耐えられないので実現できないという問題があった。
12 底壁部
13 エンドプレート部
2 ピストン
21 ロッド部
22 ピストン部
23 フランジ部
3 圧力室
31 ピストンパッキン
32 作動流体給排ポート
33 作動流体給排通路
41 収縮スプリング
42 スプリング受けボルト
43 ストッパボルトのシャフト部
5 リリーフバルブ
51 弁体
52 弁座
53 圧力調整ネジ
54 負荷検出体
55 貫通孔
57 スプリング
Claims (3)
- 一端が開放し他端が閉塞した構造のシリンダ本体と、シリンダ本体内に摺動可能に配されるピストンと、シリンダ本体内でピストンとの間に構成される圧力室とを備えた流体圧アクチュエータにおいて、ピストンに、一端が圧力室に開口し他端が圧力室外部に開口した貫通孔を設け、該貫通孔に、スプリングによって閉止状態を保持する、作動流体のリリーフバルブを設け、さらに、ピストン作用面に働く負荷を検出して前記スプリングの力とは別の力でリリーフバルブの閉止状態を保持する負荷検出体をピストンに設けることを特徴とする流体圧アクチュエータ。
- 負荷検出体は、ピストン作用面に突出可能に埋め込まれ、リリーフバルブが開放されると突出し、非突出状態では該リリーフバルブを押圧することにより該リリーフバルブの閉止状態を保持することを特徴とする請求項1に記載の流体圧アクチュエータ。
- 請求項1または2に記載の流体圧アクチュエータを、圧延機のロールチョックの保持手段として用いることを特徴とするロールチョック固定装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003339777A JP4193661B2 (ja) | 2003-09-30 | 2003-09-30 | 流体圧アクチュエータ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003339777A JP4193661B2 (ja) | 2003-09-30 | 2003-09-30 | 流体圧アクチュエータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005106168A JP2005106168A (ja) | 2005-04-21 |
JP4193661B2 true JP4193661B2 (ja) | 2008-12-10 |
Family
ID=34534876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003339777A Expired - Fee Related JP4193661B2 (ja) | 2003-09-30 | 2003-09-30 | 流体圧アクチュエータ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4193661B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2017130667A (ru) * | 2011-11-02 | 2019-02-05 | Санофи-Авентис Дойчланд Гмбх | Поршень для картриджа, используемого в устройстве для доставки лекарственного средства |
KR102078834B1 (ko) * | 2017-05-04 | 2020-02-19 | 포스낙(주) | 압연롤 연마 가공을 위한 센터링 및 진동방지 기능이 있는 초크 지지장치 |
CN113353864B (zh) * | 2021-06-22 | 2022-07-08 | 江西钟山药业有限责任公司 | 中药口服液瓶的封装设备 |
-
2003
- 2003-09-30 JP JP2003339777A patent/JP4193661B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005106168A (ja) | 2005-04-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1591705B1 (en) | Valve | |
JP5335669B2 (ja) | 圧力を解放する機械部品機構 | |
US8776964B2 (en) | Gas cylinder actuator with overtravel safety device | |
US5267736A (en) | Sealing apparatus for rotating shafts, in particular stern tube seal for the propeller shaft of a ship | |
EP2872791B1 (en) | Internal breather valve for spring brake actuators | |
US11674529B2 (en) | Pressure compensation device designed for underwater applications | |
US5148834A (en) | Piston-type pressure accumulator for traction slip controlled brake systems and switching arrangement for same | |
KR20090028458A (ko) | 가이드를 구비한 가스 스프링 | |
KR102263584B1 (ko) | 외부 누유 감지 구조가 구비된 유압 실린더 장치 | |
JP4193661B2 (ja) | 流体圧アクチュエータ | |
JP2016223473A (ja) | プル型クランプ装置 | |
CN107542721A (zh) | 具有安全装置的气缸致动器 | |
JP2004500520A (ja) | 作用シリンダ内にて圧力媒体の作用を受けるピストンのための密封装置 | |
US20010006078A1 (en) | Control device for a safety valve | |
CN106895041B (zh) | 具有安全装置的气缸致动器 | |
US20040250866A1 (en) | Pressure medium reservoir | |
US4325407A (en) | Pressure control unit | |
EP3613999B1 (en) | Externally verifiable thermal compensation of cowl opening actuator | |
JP4487769B2 (ja) | 流体圧アクチュエータ | |
CN110603396B (zh) | 闸阀 | |
CN110762078A (zh) | 破碎机的缓冲油缸 | |
US5927178A (en) | Press driven tool actuator module | |
JP5045084B2 (ja) | 流体圧アクチュエータ | |
US7658207B2 (en) | Hydraulic pressure reservoir | |
JP2001311406A (ja) | ロック・アクチュエータ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060914 |
|
RD01 | Notification of change of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7421 Effective date: 20060921 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20071212 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20071225 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080128 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080507 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080703 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20080902 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20080915 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111003 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111003 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121003 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121003 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131003 Year of fee payment: 5 |
|
LAPS | Cancellation because of no payment of annual fees |