JP2013542389A - 可変クッションオリフィスを備えた油圧シリンダ - Google Patents
可変クッションオリフィスを備えた油圧シリンダ Download PDFInfo
- Publication number
- JP2013542389A JP2013542389A JP2013538611A JP2013538611A JP2013542389A JP 2013542389 A JP2013542389 A JP 2013542389A JP 2013538611 A JP2013538611 A JP 2013538611A JP 2013538611 A JP2013538611 A JP 2013538611A JP 2013542389 A JP2013542389 A JP 2013542389A
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- JP
- Japan
- Prior art keywords
- orifice
- cushion
- variable
- hydraulic
- cushion orifice
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
-
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
- E02F9/2214—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing the shock generated at the stroke end
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2271—Actuators and supports therefor and protection therefor
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- 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
- F15B15/204—Control means for piston speed or actuating force without external control, e.g. control valve inside the piston
-
- 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
- F15B15/223—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 completely seals the main fluid outlet as the piston approaches its end position
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
- Fluid-Damping Devices (AREA)
Abstract
【選択図】図2
Description
シリンダロッドが摺動するヘッドカバーと、ヘッドカバーから延設され、ピストンが往復動するシリンダチューブと、シリンダロッドのストロークエンド時に発生する衝撃を緩和するクッション装置と、を備える油圧シリンダにおいて、
ヘッドカバーに形成される第1のクッションオリフィスと、
第1のクッションオリフィスに連通され、入口がヘッドカバーの外面に形成される第2のクッションオリフィスと、
ヘッドカバーに形成された作動油流路に第2のクッションオリフィスを連通させる第3のクッションオリフィスと、
第2のクッションオリフィスに取替え自在に係合し、シリンダロッドのストロークエンド時に第1のクッションオリフィスを介して作動油流路に排出される作動油の量を調節可能なようにオリフィスが形成される可変オリフィス用プラグと、を備える。
2 ヘッドカバー
3 ピストン
4 シリンダチューブ
5 作動油流路
7 クッションリング
8 圧力室
10 第1のクッションオリフィス
11 第2のクッションオリフィス
12 第3のクッションオリフィス
13 オリフィス
13a 第1のオリフィス
13b 第2のオリフィス
14 可変オリフィス用プラグ
Claims (2)
- シリンダロッドが摺動するヘッドカバーと、ヘッドカバーから延設され、ピストンが往復動するシリンダチューブと、シリンダロッドのストロークエンド時に発生する衝撃を緩和するクッション装置と、を備える油圧シリンダにおいて、
前記ヘッドカバーに形成される第1のクッションオリフィスと、
前記第1のクッションオリフィスに連通され、入口が前記ヘッドカバーの外面に形成される第2のクッションオリフィスと、
前記ヘッドカバーに形成された作動油流路に第2のクッションオリフィスを連通させる第3のクッションオリフィスと、
前記第2のクッションオリフィスに取替え自在に係合され、 前記シリンダロッドのストロークエンド時に前記第1のクッションオリフィスを介して前記作動油流路に排出される作動油の量を調節可能なようにオリフィスが形成される可変オリフィス用プラグと、を備えることを特徴とする可変クッションオリフィスを備えた油圧シリンダ。 - 前記可変オリフィス用プラグに形成されるオリフィスが、
前記第2のクッションオリフィスに連通される第1のオリフィスと、
前記第1のオリフィスに連通されて前記第2のクッションオリフィスと第3のクッションオリフィスとを互いに連通させる第2のオリフィスと、を備えることを特徴とする請求項1に記載の可変クッションオリフィスを備えた油圧シリンダ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2010/008038 WO2012067276A1 (ko) | 2010-11-15 | 2010-11-15 | 가변 쿠션 오리피스를 구비한 유압실린더 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2013542389A true JP2013542389A (ja) | 2013-11-21 |
Family
ID=46084183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013538611A Pending JP2013542389A (ja) | 2010-11-15 | 2010-11-15 | 可変クッションオリフィスを備えた油圧シリンダ |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130228070A1 (ja) |
EP (1) | EP2642134A1 (ja) |
JP (1) | JP2013542389A (ja) |
KR (1) | KR20130128394A (ja) |
CN (1) | CN103189656A (ja) |
WO (1) | WO2012067276A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10047769B2 (en) | 2014-04-29 | 2018-08-14 | Volvo Construction Equipment Ab | Flow control valve for construction equipment |
CN104452859A (zh) * | 2014-11-03 | 2015-03-25 | 昆山三一数字科技有限公司 | 一种新型铲斗开斗缓冲器及挖掘机 |
US11525238B2 (en) | 2018-02-28 | 2022-12-13 | Deere & Company | Stability control for hydraulic work machine |
US11293168B2 (en) | 2018-02-28 | 2022-04-05 | Deere & Company | Method of limiting flow through accelerometer feedback |
US10648154B2 (en) | 2018-02-28 | 2020-05-12 | Deere & Company | Method of limiting flow in response to sensed pressure |
US10829907B2 (en) | 2018-02-28 | 2020-11-10 | Deere & Company | Method of limiting flow through sensed kinetic energy |
US10954650B2 (en) | 2018-02-28 | 2021-03-23 | Deere & Company | Hydraulic derate stability control |
US10954654B2 (en) | 2018-02-28 | 2021-03-23 | Deere & Company | Hydraulic derate stability control and calibration |
US11512447B2 (en) | 2018-11-06 | 2022-11-29 | Deere & Company | Systems and methods to improve work machine stability based on operating values |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50109098U (ja) * | 1974-02-19 | 1975-09-06 | ||
JPS638405U (ja) * | 1986-07-03 | 1988-01-20 | ||
JPH0224333U (ja) * | 1988-07-30 | 1990-02-19 | ||
JPH05337450A (ja) * | 1992-06-09 | 1993-12-21 | Kitsuto:Kk | 洗滌装置 |
JPH06307412A (ja) * | 1993-04-19 | 1994-11-01 | Takashi Nakase | 複数段流体圧シリンダ及びその中間シリンダ |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3122063A (en) * | 1962-02-26 | 1964-02-25 | Arrow Tools Inc | Cylinder with improved sealing and governor means |
US4033235A (en) * | 1976-01-26 | 1977-07-05 | Caterpillar Tractor Co. | Fluid operated ram |
US4424737A (en) * | 1980-03-26 | 1984-01-10 | Kabushiki Kaisha Komatsu Seisakusho | Stroke cushioning apparatus for hydraulic cylinders |
SE467424B (sv) * | 1990-11-09 | 1992-07-13 | Mecman Ab | Anordning foer aendlaegesdaempning och hastighetsreglering av roerelsen hos en kolv i en tryckmediecylinder |
KR200144359Y1 (ko) * | 1997-02-28 | 1999-06-15 | 엄기화 | 유압실린더 |
CN2307146Y (zh) * | 1997-08-12 | 1999-02-10 | 长拓空油压股份有限公司 | 具有浮动缓冲及快速起动功能的油压缸构造 |
KR19990041743U (ko) * | 1998-05-25 | 1999-12-27 | 토니헬 | 유압실린더용 쿠션장치 |
TW468005B (en) * | 1998-11-06 | 2001-12-11 | Smc Corp | Pneumatic cylinder with cushion mechanism |
JP3696103B2 (ja) * | 2001-02-23 | 2005-09-14 | Smc株式会社 | クッション機構付きシリンダにおける高速加圧方法及びその機構 |
DE10158123B4 (de) * | 2001-11-27 | 2008-06-05 | Rexroth Mecman Gmbh | Endlagengedämpfter Druckmittelzylinder |
KR100474754B1 (ko) * | 2002-02-22 | 2005-03-10 | 주식회사 프로텍 | 벨로우즈 타입의 저마찰 고속 리니어 액츄에이터 |
KR20050100302A (ko) * | 2004-04-13 | 2005-10-18 | 한국에스엠씨공압(주) | 엑츄에이터의 실린더 |
JP2006138361A (ja) * | 2004-11-10 | 2006-06-01 | Ebara Corp | 流体圧シリンダの衝撃緩和機構及び流体圧シリンダ |
DE102005032853B3 (de) * | 2005-07-14 | 2007-02-08 | Norgren Gmbh | Arbeitszylinder mit Endlagendämpfung |
JP4735099B2 (ja) * | 2005-07-25 | 2011-07-27 | Smc株式会社 | 絞り弁付き流体圧シリンダ装置 |
CN2876398Y (zh) * | 2006-02-20 | 2007-03-07 | 宝山钢铁股份有限公司 | 高速油缸的快速启动与制动装置 |
DE102008016518A1 (de) * | 2008-03-31 | 2009-10-01 | Festo Ag & Co. Kg | Fluidbetätigter Arbeitszylinder |
-
2010
- 2010-11-15 EP EP10859829.3A patent/EP2642134A1/en not_active Withdrawn
- 2010-11-15 US US13/885,034 patent/US20130228070A1/en not_active Abandoned
- 2010-11-15 JP JP2013538611A patent/JP2013542389A/ja active Pending
- 2010-11-15 CN CN2010800699389A patent/CN103189656A/zh active Pending
- 2010-11-15 WO PCT/KR2010/008038 patent/WO2012067276A1/ko active Application Filing
- 2010-11-15 KR KR1020137012098A patent/KR20130128394A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50109098U (ja) * | 1974-02-19 | 1975-09-06 | ||
JPS638405U (ja) * | 1986-07-03 | 1988-01-20 | ||
JPH0224333U (ja) * | 1988-07-30 | 1990-02-19 | ||
JPH05337450A (ja) * | 1992-06-09 | 1993-12-21 | Kitsuto:Kk | 洗滌装置 |
JPH06307412A (ja) * | 1993-04-19 | 1994-11-01 | Takashi Nakase | 複数段流体圧シリンダ及びその中間シリンダ |
Also Published As
Publication number | Publication date |
---|---|
CN103189656A (zh) | 2013-07-03 |
US20130228070A1 (en) | 2013-09-05 |
WO2012067276A1 (ko) | 2012-05-24 |
EP2642134A1 (en) | 2013-09-25 |
KR20130128394A (ko) | 2013-11-26 |
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