KR20060079663A - 실린더 쿠션장치 - Google Patents
실린더 쿠션장치 Download PDFInfo
- Publication number
- KR20060079663A KR20060079663A KR1020050000119A KR20050000119A KR20060079663A KR 20060079663 A KR20060079663 A KR 20060079663A KR 1020050000119 A KR1020050000119 A KR 1020050000119A KR 20050000119 A KR20050000119 A KR 20050000119A KR 20060079663 A KR20060079663 A KR 20060079663A
- Authority
- KR
- South Korea
- Prior art keywords
- rod
- piston
- cushion
- end boss
- side space
- 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.)
- Granted
Links
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
- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/24—Safety devices, e.g. for preventing overload
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- 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
- F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Actuator (AREA)
Abstract
Description
Claims (6)
- 작동유의 수용공간을 형성하는 튜브와, 상기 튜브 내에서 작동유의 유입 및 유출에 따라 직선운동되는 로드와, 상기 로드 상에 결합되어 상기 튜브의 수용공간을 로드측 공간과 버텀측 공간으로 구분하는 피스톤과, 상기 튜브의 양단에 설치되며 상기 로드의 삽입 및 작동유를 배출을 가능하게 하는 구멍이 형성되는 단부보스를 포함하는 굴삭기의 유압실린더 내에 설치되어, 상기 피스톤이 상기 단부보스에 충돌하는 것을 방지하는 실린더 쿠션장치에 있어서,상기 로드 상에서 피스톤에 인접설치되며, 상기 로드의 직선운동시에 상기 피스톤이 로드측 단부보스에 인접할 경우에 상기 로드측 단부보스의 구멍 내로 소정간극을 가지고 삽입됨에 따라 로드측 공간 내에 소정의 쿠션압력을 발생시키는 쿠션슬리브; 및상기 쿠션슬리브 상에 설치되어, 상기 피스톤이 로드측 단부보스에 충돌되는 것을 방지함과 동시에 자체탄성을 통해 쇼크를 완충시키는 탄성체;를 포함하는 것을 특징으로 하는 실린더 쿠션장치.
- 제 1 항에 있어서,상기 쿠션슬리브는 그 자체의 길이감소를 통해 로드측 공간 내의 작동유가 원활히 배출되도록 함에 따라 로드측 공간 내의 쿠션압력의 과도한 상승을 방지하는 것을 특징으로 하는 실린더 쿠션장치.
- 제 1 항에 있어서,상기 쿠션슬리브는 그 자체의 외경감소를 통해 로드측 공간 내의 작동유가 원활히 배출되도록 함에 따라 로드측 공간 내의 쿠션압력의 과도한 상승을 방지하는 것을 특징으로 하는 실린더 쿠션장치.
- 제 1 항 내지 제 3 항 중 어느 하나의 항에 있어서,상기 탄성체는 원형의 횡단면을 가지는 고무재질의 O-링인 것을 특징으로 하는 실린더 쿠션장치.
- 제 4 항에 있어서,상기 탄성체는 다각형의 횡단면을 가지는 고무재질의 O-링인 것을 특징으로 하는 실린더 쿠션장치.
- 제 1 항 내지 제 4 항 중 어느 하나의 항에 있어서,상기 탄성체는 양단의 금속플레이트가 중앙의 탄성재에 의해 일체로 형성된 복합재질의 링인 것을 특징으로 하는 실린더 쿠션장치.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050000119A KR100652872B1 (ko) | 2005-01-03 | 2005-01-03 | 실린더 쿠션장치 |
| US11/073,390 US20060151269A1 (en) | 2005-01-03 | 2005-03-04 | Cylinder cushion device |
| EP05005232A EP1677010A1 (en) | 2005-01-03 | 2005-03-10 | Cylinder cushion device |
| JP2005078291A JP2006189143A (ja) | 2005-01-03 | 2005-03-18 | シリンダクッション装置 |
| CNA2005100625314A CN1800657A (zh) | 2005-01-03 | 2005-03-29 | 液压缸缓冲装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050000119A KR100652872B1 (ko) | 2005-01-03 | 2005-01-03 | 실린더 쿠션장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20060079663A true KR20060079663A (ko) | 2006-07-06 |
| KR100652872B1 KR100652872B1 (ko) | 2006-12-01 |
Family
ID=35725560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050000119A Expired - Fee Related KR100652872B1 (ko) | 2005-01-03 | 2005-01-03 | 실린더 쿠션장치 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20060151269A1 (ko) |
| EP (1) | EP1677010A1 (ko) |
| JP (1) | JP2006189143A (ko) |
| KR (1) | KR100652872B1 (ko) |
| CN (1) | CN1800657A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100868371B1 (ko) * | 2007-02-07 | 2008-11-12 | 코막중공업 주식회사 | 미니 로더용 완충장치가 내장된 실린더 |
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 |
| KR101161304B1 (ko) * | 2009-10-28 | 2012-07-04 | 볼보 컨스트럭션 이큅먼트 에이비 | 체크링을 포함하는 유압실린더 쿠션장치 |
| CN102108990B (zh) * | 2010-07-23 | 2011-12-28 | 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 |
| CN102108989B (zh) * | 2010-07-23 | 2011-12-28 | 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 |
| CN101936318A (zh) * | 2010-10-20 | 2011-01-05 | 小冶精通(天津)液压机械有限公司 | 改进缓冲效果的液压油缸 |
| CN102042282B (zh) * | 2010-12-09 | 2012-07-18 | 西安昆仑工业(集团)有限责任公司 | 缓冲锁紧定位装置 |
| DE102011013987B4 (de) | 2011-03-15 | 2021-03-11 | Liebherr Mining Equipment Co. | Mehrstufige Hydraulikzylinder-Baugruppe |
| CN102493970A (zh) * | 2011-12-30 | 2012-06-13 | 贵州枫阳液压有限责任公司 | 挖掘机斗杆油缸 |
| JP5767991B2 (ja) * | 2012-03-23 | 2015-08-26 | カヤバ工業株式会社 | 流体圧シリンダ |
| JP5767990B2 (ja) * | 2012-03-23 | 2015-08-26 | カヤバ工業株式会社 | 流体圧シリンダ |
| US20150184746A1 (en) * | 2013-12-27 | 2015-07-02 | Ming-Chang Shih | Non-metallic and non-magnetic pneumatic actuator |
| JP6256978B2 (ja) * | 2014-01-10 | 2018-01-10 | キャタピラー エス エー アール エル | 開閉カバー用のラバーストッパ |
| CN109131266B (zh) * | 2018-09-11 | 2019-05-28 | 广州创链科技有限公司 | 一种多功能agv小车 |
| EP3912243B1 (de) * | 2019-01-14 | 2024-03-20 | Igus GmbH | Kompakte leitungsschutzführung für reinraumanwendungen, sowie hülleinheit und klemmvorrichtung hierfür |
| CN113503287A (zh) * | 2021-07-01 | 2021-10-15 | 燕山大学 | 一种无缸盖双缸筒对称双活塞式液压缸 |
| CN114087313A (zh) * | 2021-11-17 | 2022-02-25 | 中国人民解放军海军工程大学 | 一种降低减阻板开启噪声的结构及其使用方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2981232A (en) * | 1957-04-10 | 1961-04-25 | Renault | Differential pressure pneumatic jacks adapted for automatic return to initial position |
| US2884903A (en) * | 1957-09-13 | 1959-05-05 | Westinghouse Air Brake Co | Cushioned piston assemblage for cylinders |
| US2984529A (en) * | 1959-01-26 | 1961-05-16 | Baldwin Rubber Co | Unitary sealed piston |
| US3136228A (en) * | 1962-02-05 | 1964-06-09 | Baldwin Montrose Chemical Comp | Piston structure |
| US3476014A (en) * | 1967-03-31 | 1969-11-04 | Parker Hannifin Corp | Speed variable piston and cylinder arrangements |
| FR2138342B1 (ko) * | 1971-05-24 | 1974-03-08 | Poclain Sa | |
| EP0068495B1 (en) * | 1981-06-30 | 1986-03-12 | Hitachi Construction Machinery Co., Ltd. | Shock absorbing device for hydraulic cylinder |
| JPH04331805A (ja) * | 1991-01-23 | 1992-11-19 | Koyo Seiki Kk | 油圧シリンダ |
| EP0506647A1 (de) * | 1991-03-25 | 1992-09-30 | HOERBIGER FLUIDTECHNIK GmbH | Zylinder/Kolben-Anordnung |
| US5265852A (en) * | 1991-10-01 | 1993-11-30 | Die, Mold & Automation Components, Inc. | Gas spring with gas passageways in the assembly housing and piston rod |
| DE4414485A1 (de) * | 1994-04-26 | 1995-11-02 | Bosch Gmbh Robert | Druckmittelbetätigbarer Arbeitszylinder |
| JP3340338B2 (ja) * | 1997-02-19 | 2002-11-05 | シーケーディ株式会社 | 緩衝機構付き流体圧シリンダ |
| US5810130A (en) * | 1997-03-14 | 1998-09-22 | General Motors Corporation | Suspension damper with rebound cut-off |
| US5984060A (en) * | 1997-08-25 | 1999-11-16 | General Motors Corporation | Monotube strut assembly |
| DE19849335A1 (de) * | 1998-10-26 | 2000-04-27 | Linde Ag | Hydraulischer Zylinder |
| KR20020041210A (ko) * | 2000-11-27 | 2002-06-01 | 황해웅 | 공압실린더용 쿠션슬리브 |
| KR20030050659A (ko) * | 2001-12-19 | 2003-06-25 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 분리형 쿠션링이 장착된 유압실린더 |
-
2005
- 2005-01-03 KR KR1020050000119A patent/KR100652872B1/ko not_active Expired - Fee Related
- 2005-03-04 US US11/073,390 patent/US20060151269A1/en not_active Abandoned
- 2005-03-10 EP EP05005232A patent/EP1677010A1/en not_active Withdrawn
- 2005-03-18 JP JP2005078291A patent/JP2006189143A/ja not_active Withdrawn
- 2005-03-29 CN CNA2005100625314A patent/CN1800657A/zh active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100868371B1 (ko) * | 2007-02-07 | 2008-11-12 | 코막중공업 주식회사 | 미니 로더용 완충장치가 내장된 실린더 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1677010A1 (en) | 2006-07-05 |
| US20060151269A1 (en) | 2006-07-13 |
| CN1800657A (zh) | 2006-07-12 |
| KR100652872B1 (ko) | 2006-12-01 |
| JP2006189143A (ja) | 2006-07-20 |
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