DE69724723D1 - Vorrichtung zur hydraulischen Kontrolle eines Hebezylinders eines Ladearms eines landwirtschaftlichen Fahrzeugs - Google Patents
Vorrichtung zur hydraulischen Kontrolle eines Hebezylinders eines Ladearms eines landwirtschaftlichen FahrzeugsInfo
- Publication number
- DE69724723D1 DE69724723D1 DE69724723T DE69724723T DE69724723D1 DE 69724723 D1 DE69724723 D1 DE 69724723D1 DE 69724723 T DE69724723 T DE 69724723T DE 69724723 T DE69724723 T DE 69724723T DE 69724723 D1 DE69724723 D1 DE 69724723D1
- Authority
- DE
- Germany
- Prior art keywords
- hydraulic control
- lifting cylinder
- loading arm
- agricultural vehicle
- agricultural
- 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 - Lifetime
Links
Classifications
-
- 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
- E02F9/2267—Valves or distributors
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
- A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
- A01B63/1006—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor
-
- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fluid-Pressure Circuits (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Operation Control Of Excavators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9612093 | 1996-09-30 | ||
FR9612093A FR2754000B1 (fr) | 1996-09-30 | 1996-09-30 | Dispositif de commande hydraulique du verin de levage d'un bras de chargeur agricole |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69724723D1 true DE69724723D1 (de) | 2003-10-16 |
DE69724723T2 DE69724723T2 (de) | 2004-07-15 |
Family
ID=9496350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69724723T Expired - Lifetime DE69724723T2 (de) | 1996-09-30 | 1997-09-30 | Vorrichtung zur hydraulischen Kontrolle eines Hebezylinders eines Ladearms eines landwirtschaftlichen Fahrzeugs |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0833013B1 (de) |
DE (1) | DE69724723T2 (de) |
ES (1) | ES2206671T3 (de) |
FR (1) | FR2754000B1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7631591B2 (en) * | 2006-11-21 | 2009-12-15 | Clark Equipment Company | Two stage spool centering mechanism |
CN102979773B (zh) * | 2012-05-24 | 2015-05-06 | 山东弘宇农机股份有限公司 | 一种拖拉机液压提升系统 |
CN107956757A (zh) * | 2017-12-08 | 2018-04-24 | 山东弘宇农机股份有限公司 | 一种组合式多功能液压控制阀 |
WO2019219491A1 (de) * | 2018-05-18 | 2019-11-21 | Hydac Systems & Services Gmbh | Ventil |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2628731A (en) * | 1949-09-17 | 1953-02-17 | Bucyrus Erie Co | Hydraulically operated tractor shovel |
FR1589327A (de) * | 1968-10-17 | 1970-03-23 | ||
FR2569786B1 (fr) * | 1984-08-31 | 1987-03-20 | Vickers Systems Sa | Distributeur hydraulique haute pression, a generateur de pression de pilotage |
JPS61116105A (ja) * | 1984-11-12 | 1986-06-03 | Sekitan Rotenbori Kikai Gijutsu Kenkyu Kumiai | アクチエ−タ用油圧装置 |
JP3119722B2 (ja) * | 1992-05-25 | 2000-12-25 | 株式会社小松製作所 | 圧力比例制御弁による4位置クローズドセンタの切換弁の油圧回路 |
-
1996
- 1996-09-30 FR FR9612093A patent/FR2754000B1/fr not_active Expired - Fee Related
-
1997
- 1997-09-30 ES ES97460040T patent/ES2206671T3/es not_active Expired - Lifetime
- 1997-09-30 EP EP19970460040 patent/EP0833013B1/de not_active Expired - Lifetime
- 1997-09-30 DE DE69724723T patent/DE69724723T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2754000A1 (fr) | 1998-04-03 |
EP0833013B1 (de) | 2003-09-10 |
EP0833013A1 (de) | 1998-04-01 |
ES2206671T3 (es) | 2004-05-16 |
DE69724723T2 (de) | 2004-07-15 |
FR2754000B1 (fr) | 1999-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |