KR20080102974A - 쿠션 링 및 유압 실린더 - Google Patents
쿠션 링 및 유압 실린더 Download PDFInfo
- Publication number
- KR20080102974A KR20080102974A KR1020080046083A KR20080046083A KR20080102974A KR 20080102974 A KR20080102974 A KR 20080102974A KR 1020080046083 A KR1020080046083 A KR 1020080046083A KR 20080046083 A KR20080046083 A KR 20080046083A KR 20080102974 A KR20080102974 A KR 20080102974A
- Authority
- KR
- South Korea
- Prior art keywords
- cushion ring
- rod
- cushion
- rod side
- throttle groove
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 238000012856 packing Methods 0.000 description 10
- 125000006850 spacer group Chemical group 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/222—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston with a piston extension or piston recess which throttles the main fluid outlet as the piston approaches its end position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Sealing Devices (AREA)
Abstract
Description
Claims (2)
- 유압 실린더의 로드측 실린더 및 피스톤 로드 사이에 사용되고, 실린더의 최대 연장 단부의 근처에서 충격을 완충하기 위해 피스톤 로드 상에 외삽된 쿠션 링으로서,로드측 유체실로부터 로드측 실린더 헤드 내에 제공된 유입/유출 포트로 유동하는 작동 유체를 스로틀하기 위해, 쿠션 링의 적절한 위치로부터 로드측 단부까지 연장하는 V자형 단면을 가지는 스로틀 그루우브가 쿠션 링의 외주에 형성되어 있고,상기 스로틀 그루우브 내에서 유동하는 작동 유체를 쿠션 링의 외측 경사방향을 향해 안내하기 위한 단부 안내면이 상기 스로틀 그루우브의 로드측 단부 내에 제공되어 있는 쿠션 링.
- 제1항에 기재된 쿠션 링을 사용하는 유압 실린더.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2007-00135251 | 2007-05-22 | ||
JP2007135251A JP4851992B2 (ja) | 2007-05-22 | 2007-05-22 | クッションリング及び流体圧シリンダ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080102974A true KR20080102974A (ko) | 2008-11-26 |
KR101342081B1 KR101342081B1 (ko) | 2013-12-18 |
Family
ID=40071176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080046083A KR101342081B1 (ko) | 2007-05-22 | 2008-05-19 | 쿠션 링 및 유압 실린더 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7900549B2 (ko) |
JP (1) | JP4851992B2 (ko) |
KR (1) | KR101342081B1 (ko) |
CN (2) | CN102927082B (ko) |
IT (1) | ITRM20080268A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102052364A (zh) * | 2009-10-28 | 2011-05-11 | 沃尔沃建造设备控股(瑞典)有限公司 | 具有锁环的液压缸缓冲装置 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4851992B2 (ja) * | 2007-05-22 | 2012-01-11 | カヤバ工業株式会社 | クッションリング及び流体圧シリンダ |
CN102155460B (zh) * | 2010-07-23 | 2012-07-04 | 三一重工股份有限公司 | 一种液压油缸及活塞杆、及液压缓冲系统、挖掘机和混凝土泵车 |
CN102155461B (zh) * | 2010-07-23 | 2012-06-27 | 三一重工股份有限公司 | 一种液压油缸及液压缓冲系统、挖掘机和混凝土泵车 |
CN102155468B (zh) * | 2011-04-27 | 2013-07-03 | 三一重工股份有限公司 | 一种液压缸及其缓冲装置 |
JP6113996B2 (ja) * | 2012-10-11 | 2017-04-12 | Kyb株式会社 | 流体圧シリンダ |
GB201310837D0 (en) | 2013-06-18 | 2013-07-31 | Dupont Teijin Films Us Ltd | Polyester film -IV |
GB201317705D0 (en) | 2013-10-07 | 2013-11-20 | Dupont Teijin Films Us Ltd | Copolyesters |
JP6275459B2 (ja) * | 2013-11-25 | 2018-02-07 | Kyb株式会社 | 流体圧シリンダ |
GB201411044D0 (en) | 2014-06-20 | 2014-08-06 | Dupont Teijin Films Us Ltd | Copolyestermides and films made therefrom |
CN105041781B (zh) * | 2015-06-26 | 2017-09-19 | 北京航空航天大学 | 一种具有不规则末端缓冲机构液压缸的仿真实现方法 |
CN109798273A (zh) * | 2019-03-18 | 2019-05-24 | 杭州诺祥科技有限公司 | 一种非对称流量匹配式平衡锁紧系统 |
CN112568962A (zh) | 2019-09-27 | 2021-03-30 | 巴德阿克塞斯系统股份有限公司 | 用于骨内进入装置的阶梯式针 |
CN215306397U (zh) | 2020-02-28 | 2021-12-28 | 巴德阿克塞斯系统股份有限公司 | 与骨内进入装置一起使用的进入组件 |
JP7323103B2 (ja) * | 2020-07-22 | 2023-08-08 | Smc株式会社 | 流体圧シリンダ |
GB2599623B (en) * | 2020-08-12 | 2023-09-20 | Caterpillar Inc | Elastomer-mounted split ring |
WO2022095530A1 (zh) * | 2020-11-04 | 2022-05-12 | 青岛极致创新科技有限公司 | 卸荷阀及组合阀式缓冲油缸 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3704650A (en) * | 1971-03-29 | 1972-12-05 | Caterpillar Tractor Co | Hydraulic jack stroke cushioning means |
US4296675A (en) * | 1979-07-16 | 1981-10-27 | Aeroquip Corporation | Cylinder cushion with contractable ring |
US4424737A (en) * | 1980-03-26 | 1984-01-10 | Kabushiki Kaisha Komatsu Seisakusho | Stroke cushioning apparatus for hydraulic cylinders |
JPS5996404A (ja) * | 1982-11-22 | 1984-06-02 | Honda Motor Co Ltd | 内燃機関の開閉弁駆動装置 |
JPS62162402A (ja) * | 1986-01-06 | 1987-07-18 | Kobe Steel Ltd | ダイヤモンドバイト |
JPH04366005A (ja) * | 1991-06-12 | 1992-12-17 | A T Shii Kk | 流体圧アクチュエータとそれを用いた旋回割出装置 |
JP3877480B2 (ja) * | 1999-11-05 | 2007-02-07 | カヤバ工業株式会社 | 油圧シリンダのクッション装置 |
JP4043173B2 (ja) * | 2000-07-14 | 2008-02-06 | カヤバ工業株式会社 | シリンダのクッション構造 |
KR100652872B1 (ko) * | 2005-01-03 | 2006-12-01 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 실린더 쿠션장치 |
JP2006226424A (ja) * | 2005-02-18 | 2006-08-31 | Kayaba Ind Co Ltd | シール構造および緩衝器 |
JP4851992B2 (ja) * | 2007-05-22 | 2012-01-11 | カヤバ工業株式会社 | クッションリング及び流体圧シリンダ |
-
2007
- 2007-05-22 JP JP2007135251A patent/JP4851992B2/ja active Active
-
2008
- 2008-05-08 US US12/116,964 patent/US7900549B2/en active Active
- 2008-05-19 KR KR1020080046083A patent/KR101342081B1/ko active IP Right Grant
- 2008-05-20 CN CN201210345653.4A patent/CN102927082B/zh active Active
- 2008-05-20 IT IT000268A patent/ITRM20080268A1/it unknown
- 2008-05-20 CN CN2008101090673A patent/CN101311556B/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102052364A (zh) * | 2009-10-28 | 2011-05-11 | 沃尔沃建造设备控股(瑞典)有限公司 | 具有锁环的液压缸缓冲装置 |
CN102052364B (zh) * | 2009-10-28 | 2015-08-05 | 沃尔沃建造设备控股(瑞典)有限公司 | 具有锁环的液压缸缓冲装置 |
Also Published As
Publication number | Publication date |
---|---|
US20080289486A1 (en) | 2008-11-27 |
JP4851992B2 (ja) | 2012-01-11 |
CN101311556B (zh) | 2012-11-28 |
CN102927082B (zh) | 2015-04-22 |
US7900549B2 (en) | 2011-03-08 |
CN102927082A (zh) | 2013-02-13 |
ITRM20080268A1 (it) | 2008-11-23 |
CN101311556A (zh) | 2008-11-26 |
JP2008291858A (ja) | 2008-12-04 |
KR101342081B1 (ko) | 2013-12-18 |
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