FR2454484A1 - Perfectionnements apportes aux commandes hydrauliques d'excavateurs - Google Patents

Perfectionnements apportes aux commandes hydrauliques d'excavateurs

Info

Publication number
FR2454484A1
FR2454484A1 FR8008833A FR8008833A FR2454484A1 FR 2454484 A1 FR2454484 A1 FR 2454484A1 FR 8008833 A FR8008833 A FR 8008833A FR 8008833 A FR8008833 A FR 8008833A FR 2454484 A1 FR2454484 A1 FR 2454484A1
Authority
FR
France
Prior art keywords
internal chamber
excavators
hydraulic controls
cylinder
vehicle
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
Application number
FR8008833A
Other languages
English (en)
Other versions
FR2454484B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Publication of FR2454484A1 publication Critical patent/FR2454484A1/fr
Application granted granted Critical
Publication of FR2454484B1 publication Critical patent/FR2454484B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • 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
    • E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/308—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom working outwardly
    • 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
    • E02F3/425—Drive systems for dipper-arms, backhoes or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

L'INVENTION CONCERNE DES PERFECTIONNEMENTS APPORTES AUX EXCAVATEURS HYDRAULIQUES COMPRENANT UN VEHICULE, UNE FLECHE PIVOTANT PAR UNE DE SES EXTREMITES SUR LE VEHICULE, UN BRAS PIVOTANT PAR UNE DE SES EXTREMITES A L'AUTRE EXTREMITE DE LA FLECHE, ET UN GODET PIVOTANT A L'AUTRE EXTREMITE DU BRAS. UNE CHAMBRE INTERNE 68 D'UN VERIN COMPENSATEUR 62 SISE DU COTE DE LA TIGE COMMUNIQUE EN 70 AVEC UNE CHAMBRE INTERNE 72 D'UN VERIN DE LEVAGE 24 SISE DU COTE DE LA TIGE ET UNE CHAMBRE INTERNE 74 DU VERIN COMPENSATEUR 62 SISE DU COTE DE LA TETE COMMUNIQUE EN 76 AVEC UNE CHAMBRE INTERNE 78 DU VERIN DE LEVAGE 24 SISE DU COTE DE LA TETE.
FR8008833A 1979-04-18 1980-04-18 Perfectionnements apportes aux commandes hydrauliques d'excavateurs Granted FR2454484A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979050699U JPS6014817Y2 (ja) 1979-04-18 1979-04-18 掘削積込機の掘削積込装置

Publications (2)

Publication Number Publication Date
FR2454484A1 true FR2454484A1 (fr) 1980-11-14
FR2454484B1 FR2454484B1 (fr) 1982-12-10

Family

ID=12866146

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8008833A Granted FR2454484A1 (fr) 1979-04-18 1980-04-18 Perfectionnements apportes aux commandes hydrauliques d'excavateurs

Country Status (5)

Country Link
US (1) US4301607A (fr)
JP (1) JPS6014817Y2 (fr)
DE (1) DE3014664A1 (fr)
FR (1) FR2454484A1 (fr)
GB (1) GB2047198B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626163A (en) * 1983-11-21 1986-12-02 Deere & Company Mounting step for crawler loader
AT396266B (de) * 1988-12-05 1993-07-26 Boehler Ladetechnik Hydraulikbagger
CA2446908A1 (fr) * 2001-05-22 2002-11-28 Liebherr-Werk Bischofshofen Gmbh Excavatrice sur roues
US7059422B2 (en) * 2004-04-26 2006-06-13 Bobby Gene Burgin Self-orienting loader bucket mechanism
EP2084332B1 (fr) * 2006-11-03 2012-01-11 Jay Gunnarson Système d'assemblage d'une sonnette de battage
US8244438B2 (en) * 2008-01-31 2012-08-14 Caterpillar Inc. Tool control system
US20140271078A1 (en) * 2013-03-15 2014-09-18 Rodney Koch Lift arm structure with an articulated knee portion
US9267262B2 (en) * 2014-06-06 2016-02-23 Caterpillar Sarl Lift arm linkage with extension cylinder
US10676893B1 (en) * 2019-09-10 2020-06-09 Larry Irby Williams Self-leveling front-end loader having a double boom with a dogleg bend of 105 to 135 degrees including an extension powered by hydraulic cylinders
DE102019129300A1 (de) * 2019-10-30 2021-05-06 Kramer-Werke Gmbh Kraftmaschine mit einem Rahmen und einem verschwenkbaren Ausleger

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1303235A (fr) * 1960-11-30 1962-09-07 Koehring Co équipement perfectionné de pelle chargeuse
FR1353540A (fr) * 1963-01-14 1964-02-28 Poclain Sa Perfectionnements aux pelles hydrauliques applicables notamment aux pelles destinées aux travaux de nivelage
FR1370169A (fr) * 1963-07-12 1964-08-21 Poclain Sa Perfectionnements aux pelles hydrauliques, en particulier à celles du genre niveleuses
FR1375011A (fr) * 1963-04-18 1964-10-16 Poclain Sa Perfectionnements aux pelles hydrauliques notamment aux pelles niveleuses
US3666124A (en) * 1970-10-15 1972-05-30 Wain Roy Lifting and excavating apparatus
FR2197092A1 (fr) * 1972-08-24 1974-03-22 Caterpillar Tractor Co
US3862697A (en) * 1972-08-24 1975-01-28 Caterpillar Tractor Co Front loading hydraulic excavator
FR2264139A1 (fr) * 1974-03-12 1975-10-10 Hy Mac Ltd
US3927781A (en) * 1972-08-28 1975-12-23 Hitachi Construction Machinery Excavator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU118342A1 (ru) * 1956-01-05 1957-11-30 И.Л. Беркман След ща система автоматического управлени
FR1590140A (fr) * 1968-08-02 1970-04-13
US3583585A (en) * 1969-06-10 1971-06-08 Tyrone Hydraulics Hydraulic control system for a backhoe
DE2511819C3 (de) * 1975-03-18 1978-10-19 Liebherr-Hydraulikbagger Gmbh, 7951 Kirchdorf Hydraulikbagger
IT1057824B (it) * 1976-03-31 1982-03-30 Simit Spa Attrezzatura per lo scavo laterale mediante escavatori idraulici
US4171054A (en) * 1976-12-28 1979-10-16 Kubota, Ltd. Work vehicle with hydraulic circuit for swivel motor and work assembly arm motor
US4218837A (en) * 1978-08-21 1980-08-26 Koehring Company High lift hydraulic system for an excavator

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1303235A (fr) * 1960-11-30 1962-09-07 Koehring Co équipement perfectionné de pelle chargeuse
FR1353540A (fr) * 1963-01-14 1964-02-28 Poclain Sa Perfectionnements aux pelles hydrauliques applicables notamment aux pelles destinées aux travaux de nivelage
FR1375011A (fr) * 1963-04-18 1964-10-16 Poclain Sa Perfectionnements aux pelles hydrauliques notamment aux pelles niveleuses
FR1370169A (fr) * 1963-07-12 1964-08-21 Poclain Sa Perfectionnements aux pelles hydrauliques, en particulier à celles du genre niveleuses
US3666124A (en) * 1970-10-15 1972-05-30 Wain Roy Lifting and excavating apparatus
FR2197092A1 (fr) * 1972-08-24 1974-03-22 Caterpillar Tractor Co
US3862697A (en) * 1972-08-24 1975-01-28 Caterpillar Tractor Co Front loading hydraulic excavator
US3927781A (en) * 1972-08-28 1975-12-23 Hitachi Construction Machinery Excavator
FR2264139A1 (fr) * 1974-03-12 1975-10-10 Hy Mac Ltd

Also Published As

Publication number Publication date
GB2047198B (en) 1983-02-16
JPS55154767U (fr) 1980-11-07
US4301607A (en) 1981-11-24
DE3014664A1 (de) 1980-11-06
FR2454484B1 (fr) 1982-12-10
JPS6014817Y2 (ja) 1985-05-11
GB2047198A (en) 1980-11-26

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Legal Events

Date Code Title Description
ST Notification of lapse