SE8603660L - Anordning for att underletta parallellforande av en lyft- eller redskapsarm av vikarmstyp, foretredesvis for skogsmaskiner - Google Patents
Anordning for att underletta parallellforande av en lyft- eller redskapsarm av vikarmstyp, foretredesvis for skogsmaskinerInfo
- Publication number
- SE8603660L SE8603660L SE8603660A SE8603660A SE8603660L SE 8603660 L SE8603660 L SE 8603660L SE 8603660 A SE8603660 A SE 8603660A SE 8603660 A SE8603660 A SE 8603660A SE 8603660 L SE8603660 L SE 8603660L
- Authority
- SE
- Sweden
- Prior art keywords
- cylinder
- boom
- pct
- lift
- chamber
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/54—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
- E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
- E02F3/433—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude horizontal, e.g. self-levelling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Jib Cranes (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8603660A SE454351B (sv) | 1986-09-01 | 1986-09-01 | Anordning for nivahallning av ett redskapsfeste till en vikarmskran |
US07/190,688 US4828125A (en) | 1986-09-01 | 1987-08-27 | Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground |
PCT/SE1987/000377 WO1988001600A1 (en) | 1986-09-01 | 1987-08-27 | Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground |
AU78797/87A AU7879787A (en) | 1986-09-01 | 1987-08-27 | Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground |
NO881809A NO881809L (no) | 1986-09-01 | 1988-04-26 | Anordning for aa holde en leddboms redskapsfeste i konstant nivaa over bakken. |
FI881946A FI881946A0 (fi) | 1986-09-01 | 1988-04-26 | Anordning foer att haolla ett arbetsredskap pao konstant nivao ovanom markytan i en ledad lastbom. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8603660A SE454351B (sv) | 1986-09-01 | 1986-09-01 | Anordning for nivahallning av ett redskapsfeste till en vikarmskran |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8603660D0 SE8603660D0 (sv) | 1986-09-01 |
SE8603660L true SE8603660L (sv) | 1988-03-02 |
SE454351B SE454351B (sv) | 1988-04-25 |
Family
ID=20365446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8603660A SE454351B (sv) | 1986-09-01 | 1986-09-01 | Anordning for nivahallning av ett redskapsfeste till en vikarmskran |
Country Status (5)
Country | Link |
---|---|
US (1) | US4828125A (sv) |
AU (1) | AU7879787A (sv) |
FI (1) | FI881946A0 (sv) |
SE (1) | SE454351B (sv) |
WO (1) | WO1988001600A1 (sv) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4923362A (en) * | 1988-06-06 | 1990-05-08 | Deere & Company | Bucket leveling system with dual fluid supply |
EP0397076A1 (en) * | 1989-05-11 | 1990-11-14 | Vickers Incorporated | Electrohydraulic system |
US5486084A (en) * | 1993-06-07 | 1996-01-23 | Raymond F. Pitman | Multiple purpose material handling and working apparatus |
FI955172A0 (fi) * | 1995-10-30 | 1995-10-30 | Sakari Pinomaeki | Foerfarande i ett tryckmediumsystem och ett tryckmediumsystem |
DE69621842T2 (de) * | 1996-09-23 | 2003-02-13 | Motrac Ab | Zweiarmsystem |
SE521258C2 (sv) * | 1997-03-03 | 2003-10-14 | Motrac Ab | Tvåarmat system |
FI111938B (sv) * | 1999-07-06 | 2003-10-15 | Plustech Oy | Styrsystem för en bomsats vid en i terrängen rörlig arbetsmaskin |
FI19992467A (sv) * | 1999-11-17 | 2001-05-18 | Tiberjack Oy | Förfarande i en lastare med en bomuppsättning och lastare med en bomuppsättning |
EP1518053B1 (en) * | 2002-05-28 | 2008-10-08 | ITI Scotland Limited | Method and crane for installing, maintaining, and decommissioning wind turbines |
CN100535367C (zh) | 2005-01-19 | 2009-09-02 | Iti苏格兰有限公司 | 夹具、自移式爬升装置和联接夹具与管形件的方法 |
US8863966B2 (en) | 2011-03-21 | 2014-10-21 | Dynaking Crane, Llc | Kingpost crane apparatus and method |
US9630812B1 (en) | 2014-09-30 | 2017-04-25 | The United States Of America As Represented By The Secretary Of The Navy | Load transfer accessory for diminishing unwanted motion of cylindrical cargo during loading operations |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3884359A (en) * | 1968-11-27 | 1975-05-20 | Hopper Inc | Level luffing crane |
US3685668A (en) * | 1969-10-03 | 1972-08-22 | Hopper Inc | Convertible level luffing crane |
FR2152491B1 (sv) * | 1971-09-15 | 1977-07-08 | ||
SE400794B (sv) * | 1975-04-17 | 1978-04-10 | Hammarstrand Sten Ove | Parallellforingssystem for lastmaskiner eller liknande |
US4081055A (en) * | 1977-01-24 | 1978-03-28 | Teco, Inc. | Hydraulic device for controlling the perpendicularity of boom members in mobile platforms |
DE2802011A1 (de) * | 1978-01-18 | 1979-08-02 | Michaelis Karl Heinz | Kran, insbesondere zum be- und entladen von kraftfahrzeugen |
DE2949718A1 (de) * | 1979-12-11 | 1981-06-19 | Atlas-Verkaufsbüro Fritz Harald Arend, 7216 Dietingen | Vorrichtung zur automatischen parallelfuehrung des loeffels eines hydraulikbaggers |
US4557391A (en) * | 1982-06-30 | 1985-12-10 | Fmc Corporation | Method of controlling the angle of a pivotal boom with extensible sections |
-
1986
- 1986-09-01 SE SE8603660A patent/SE454351B/sv not_active IP Right Cessation
-
1987
- 1987-08-27 WO PCT/SE1987/000377 patent/WO1988001600A1/en active Application Filing
- 1987-08-27 AU AU78797/87A patent/AU7879787A/en not_active Abandoned
- 1987-08-27 US US07/190,688 patent/US4828125A/en not_active Expired - Fee Related
-
1988
- 1988-04-26 FI FI881946A patent/FI881946A0/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU7879787A (en) | 1988-03-24 |
WO1988001600A1 (en) | 1988-03-10 |
SE454351B (sv) | 1988-04-25 |
FI881946A (fi) | 1988-04-26 |
FI881946A0 (fi) | 1988-04-26 |
SE8603660D0 (sv) | 1986-09-01 |
US4828125A (en) | 1989-05-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE8603660L (sv) | Anordning for att underletta parallellforande av en lyft- eller redskapsarm av vikarmstyp, foretredesvis for skogsmaskiner | |
DE69805252D1 (de) | Automatische justierung zur gewichtsentlastung einer maschinenarbeitseniheit:verfahren,vorrichtung und maschine | |
KR890700001A (ko) | 농작업기의 승강제어장치 | |
GB1232647A (sv) | ||
ATE32868T1 (de) | Verstellbarer kranausleger mit selbsttaetiger gewichtsausgleichsvorrichtung. | |
ATE258274T1 (de) | Haltevorrichtung einer hydraulischen arbeitszylinderstange | |
NO911267D0 (no) | Beskyttelsesanordning for en hydraulsylinders stempelstang | |
FR2393760A1 (fr) | Dispositif de levage hydraulique ainsi que bati de levage pour chariots elevateurs a fourche et engins d'approvisionnement de rayonnages | |
ATE21713T1 (de) | Hydraulische pfahlrammanlage. | |
ATE150508T1 (de) | Hydraulisches schwingungsdämpfungssystem für mit arbeitsgeräten versehene arbeitsmaschinen | |
EP1051895A3 (de) | Steuerung für landwirtschaftliche Arbeitsmaschine | |
SE7309779L (sv) | Noggranhetshojande anordning for hydraulisk vagutrustning. | |
ATE325002T1 (de) | Vorrichtung zur änderung der gewichtsverteilung auf den stützen von selbstangetriebenen arbeitsmaschinen | |
ES263652U (es) | Gato hidraulico. | |
PL318903A1 (en) | Outrigger system for rock drilling equipment | |
SE8604678L (sv) | Anordning vid en hydrauliskt arbetande lyftanordning | |
SE9200878D0 (sv) | Hydraulisk kran med oekad maximal lyftkraft i hoeglaegesomraadet och saett att aastadkomma detta | |
ATE353999T1 (de) | Hydraulische kolben-zylinder-einheit für einen schwenktrieb | |
SE8103626L (sv) | Anordning vid s k trepunktskopplingar for hydraulkranar pa exempelvis traktorer | |
GB1325388A (en) | Two-column lifting platforms | |
RU92005209A (ru) | Устройство для спуска и подъема скважинных приборов | |
TR200100530U (tr) | 20-50 HP gücündeki traktörler için hidrolik kaldırıcı. | |
SU905395A1 (ru) | Гидропривод стрелы | |
DE59805756D1 (de) | Hydraulische Steueranordnung für wenigstens einen doppeltwirkenden Hubzylinder | |
TR200102552U (tr) | 70-100 HP gücündeki traktörler için hidrolik kaldırıcı. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAL | Patent in force |
Ref document number: 8603660-5 Format of ref document f/p: F |
|
NUG | Patent has lapsed |