EP1420171A3 - Hydraulischer Arbeitszylinder - Google Patents
Hydraulischer Arbeitszylinder Download PDFInfo
- Publication number
- EP1420171A3 EP1420171A3 EP03019422A EP03019422A EP1420171A3 EP 1420171 A3 EP1420171 A3 EP 1420171A3 EP 03019422 A EP03019422 A EP 03019422A EP 03019422 A EP03019422 A EP 03019422A EP 1420171 A3 EP1420171 A3 EP 1420171A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- connecting member
- displaceable
- piston
- attachment part
- 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- Withdrawn
Links
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 1
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
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches
-
- 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
- F15B15/26—Locking mechanisms
- F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions
-
- 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
- F15B15/26—Locking mechanisms
- F15B15/262—Locking mechanisms using friction, e.g. brake pads
- F15B15/264—Screw mechanisms attached to the piston
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Braking Arrangements (AREA)
Abstract
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20216197U DE20216197U1 (de) | 2002-10-22 | 2002-10-22 | Hydraulischer Arbeitszylinder |
| DE20216197U | 2002-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1420171A2 EP1420171A2 (de) | 2004-05-19 |
| EP1420171A3 true EP1420171A3 (de) | 2004-05-26 |
Family
ID=31984545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03019422A Withdrawn EP1420171A3 (de) | 2002-10-22 | 2003-08-28 | Hydraulischer Arbeitszylinder |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1420171A3 (de) |
| DE (1) | DE20216197U1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004022203B3 (de) * | 2004-05-05 | 2005-08-11 | Neumeister Hydraulik Gmbh | Verriegelungszylinder mit Gewinde-Freilauf |
| DE102005015059A1 (de) | 2005-03-31 | 2006-10-05 | Aros Hydraulik Gmbh | Verriegelbarer Arbeitszylinder |
| CN102943784B (zh) * | 2012-11-19 | 2015-06-10 | 湖南特力液压有限公司 | 缸筒、液压缸及包含该液压缸的泵送设备 |
| DE102016119251A1 (de) * | 2016-10-10 | 2018-04-12 | Fbr Facondrehteile Gmbh | Hydromechanischer Verriegelungszylinder und hydraulisches Steuersystem zu dessen Betätigung |
| CN109630501B (zh) * | 2019-01-02 | 2023-12-01 | 中船重工中南装备有限责任公司 | 一种双向机械自锁的液压缸 |
| CN111532422B (zh) * | 2020-04-17 | 2023-07-28 | 贵州新安航空机械有限责任公司 | 一种直升机前机轮双向液压锁定机构 |
| CN111649025B (zh) * | 2020-06-30 | 2024-06-07 | 中国长江三峡集团有限公司 | 一种自动锁定液压启闭机油缸装置及其控制方法 |
| CN113404741A (zh) * | 2021-06-28 | 2021-09-17 | 徐州重型机械有限公司 | 驱动缸、车辆转向系统和车辆 |
| CN115539459B (zh) * | 2022-11-29 | 2023-04-07 | 恒宏智能装备有限公司 | 一种可任意位置锁定的液压缸及控制方法 |
| CN115842441A (zh) * | 2022-12-25 | 2023-03-24 | 四川凌峰航空液压机械有限公司 | 机电作动器真实到位锁定信号触发机构 |
| CN118815782B (zh) * | 2024-08-07 | 2025-04-25 | 山东益诚液压设备有限公司 | 一种超大吨位组合式任意位置自锁油缸 |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB725003A (en) * | 1952-03-27 | 1955-03-02 | Gen Motors Corp | Improved fluid-pressure actuator |
| US2804053A (en) * | 1954-04-14 | 1957-08-27 | Gen Motors Corp | Actuator and locking means therefor |
| US3472124A (en) * | 1967-09-08 | 1969-10-14 | Ellcon Nat | Braking apparatus |
| DE2203473A1 (de) * | 1972-01-26 | 1973-08-02 | Pneumo Dynamics Corp | Verriegelbare linear wirksame betaetigungsvorrichtung |
| CH546895A (de) * | 1971-10-21 | 1974-03-15 | Bieri H Ag | Doppelwirkendes hydraulisches kolben- zylinderaggregat mit ruecklaufsperre. |
| US4083436A (en) * | 1976-04-12 | 1978-04-11 | Abex Corporation | Brake apparatus including locking means therefor |
| JPS5367074A (en) * | 1976-11-29 | 1978-06-15 | Toyo Kohan Co Ltd | Air cylinder with brake |
| DE3713589A1 (de) * | 1987-04-23 | 1988-11-03 | Feinmechanische Geraete Irene | Einrichtung zum ruckfreien abbremsen und zur positionierung von luft-, fluessigkeit-, elektrisch betaetigten linear zylindern |
| EP0322503A2 (de) * | 1987-12-29 | 1989-07-05 | Daihatsu Diesel Mfg. Co., Ltd. | Flüssigkeitsgerät |
| DE3807669A1 (de) * | 1988-03-09 | 1989-09-21 | Andexser Lucie | Stufenlos verriegelbarer arbeitszylinder |
| EP1170512A1 (de) * | 2000-07-06 | 2002-01-09 | Bümach Engineering International B.V. | Druckmittelbetriebener Arbeitszylinder mit mechanischer Wegsperrung im drucklosen Zustand |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2773485A (en) * | 1954-09-09 | 1956-12-11 | Gen Motors Corp | Self-locking actuator |
| US2879746A (en) * | 1955-12-08 | 1959-03-31 | Gen Motors Corp | Actuator with unidirectional locking means |
-
2002
- 2002-10-22 DE DE20216197U patent/DE20216197U1/de not_active Expired - Lifetime
-
2003
- 2003-08-28 EP EP03019422A patent/EP1420171A3/de not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB725003A (en) * | 1952-03-27 | 1955-03-02 | Gen Motors Corp | Improved fluid-pressure actuator |
| US2804053A (en) * | 1954-04-14 | 1957-08-27 | Gen Motors Corp | Actuator and locking means therefor |
| US3472124A (en) * | 1967-09-08 | 1969-10-14 | Ellcon Nat | Braking apparatus |
| CH546895A (de) * | 1971-10-21 | 1974-03-15 | Bieri H Ag | Doppelwirkendes hydraulisches kolben- zylinderaggregat mit ruecklaufsperre. |
| DE2203473A1 (de) * | 1972-01-26 | 1973-08-02 | Pneumo Dynamics Corp | Verriegelbare linear wirksame betaetigungsvorrichtung |
| US4083436A (en) * | 1976-04-12 | 1978-04-11 | Abex Corporation | Brake apparatus including locking means therefor |
| JPS5367074A (en) * | 1976-11-29 | 1978-06-15 | Toyo Kohan Co Ltd | Air cylinder with brake |
| DE3713589A1 (de) * | 1987-04-23 | 1988-11-03 | Feinmechanische Geraete Irene | Einrichtung zum ruckfreien abbremsen und zur positionierung von luft-, fluessigkeit-, elektrisch betaetigten linear zylindern |
| EP0322503A2 (de) * | 1987-12-29 | 1989-07-05 | Daihatsu Diesel Mfg. Co., Ltd. | Flüssigkeitsgerät |
| DE3807669A1 (de) * | 1988-03-09 | 1989-09-21 | Andexser Lucie | Stufenlos verriegelbarer arbeitszylinder |
| EP1170512A1 (de) * | 2000-07-06 | 2002-01-09 | Bümach Engineering International B.V. | Druckmittelbetriebener Arbeitszylinder mit mechanischer Wegsperrung im drucklosen Zustand |
Also Published As
| Publication number | Publication date |
|---|---|
| DE20216197U1 (de) | 2004-03-04 |
| EP1420171A2 (de) | 2004-05-19 |
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Legal Events
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| PUAL | Search report despatched |
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| AKX | Designation fees paid | ||
| REG | Reference to a national code |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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Effective date: 20041127 |