ES8207610A1 - Maquina excavadora, del tipo cargadora - Google Patents

Maquina excavadora, del tipo cargadora

Info

Publication number
ES8207610A1
ES8207610A1 ES502448A ES502448A ES8207610A1 ES 8207610 A1 ES8207610 A1 ES 8207610A1 ES 502448 A ES502448 A ES 502448A ES 502448 A ES502448 A ES 502448A ES 8207610 A1 ES8207610 A1 ES 8207610A1
Authority
ES
Spain
Prior art keywords
boom
balance beam
conduit
loader
loader type
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
Application number
ES502448A
Other languages
English (en)
Other versions
ES502448A0 (es
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.)
Poclain SA
Original Assignee
Poclain SA
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
Priority claimed from FR8011825A external-priority patent/FR2483486A1/fr
Application filed by Poclain SA filed Critical Poclain SA
Publication of ES502448A0 publication Critical patent/ES502448A0/es
Publication of ES8207610A1 publication Critical patent/ES8207610A1/es
Expired legal-status Critical Current

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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • 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

Abstract

MAQUINA EXCAVADORA HIDRAULICA. CONSTA DE UN ARMAZON DE FORMA PIVOTANTE ALREDEDOR DE UN PRIMER EJE (7); FR UN BALANCIN (8) MONTADO DE FORMA PIVOTANTE ALREDEDOR DE UN SEGUNDO EJE (9); DE UNA CUCHARA (10) DE CARGA DE MATERIAL ENGANCHADA AL BALANCIN (8) POR MEDIO DE UN TERCER EJE DE PIVOTAMIENTO (11) Y UN GATO (14); DE UN PRIMER GATO (12) DE DOBLE EFECTO ENGANCHADO EBTRE EL ARMAZON (1, 4) Y EL BRAZO (6); DE UN SEGUNDO GATO (13) DE DOBLE EFECTO ENGANCHADO ENTRE EL BRAZO (6) Y EL BALANCIN (8); DE UN CIRCUITO DE ALIMENTACION DE FLUIDO A PRESION A DICHOS GATOS, QUE COMPRENDE UNA FUENTE DE FLUIDO A PRESION (30) Y POR LO MENOS DOS DISTRIBUIDORES (34, 38) DE TRES POSICIONES, Y DE UN GATO SECUNDARIO (19) ENGANCHADO ENTRE EL ARMAZON (1, 4) Y EL BRAZO (6).
ES502448A 1980-05-28 1981-05-22 Maquina excavadora, del tipo cargadora Expired ES8207610A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8011825A FR2483486A1 (fr) 1980-05-28 1980-05-28 Engin de terrassement du type chargeuse
FR8106981A FR2503214A2 (fr) 1980-05-28 1981-04-07 Engin de terrassement du type chargeuse

Publications (2)

Publication Number Publication Date
ES502448A0 ES502448A0 (es) 1982-10-01
ES8207610A1 true ES8207610A1 (es) 1982-10-01

Family

ID=26221803

Family Applications (1)

Application Number Title Priority Date Filing Date
ES502448A Expired ES8207610A1 (es) 1980-05-28 1981-05-22 Maquina excavadora, del tipo cargadora

Country Status (11)

Country Link
US (1) US4376612A (es)
JP (1) JPS5719429A (es)
AR (1) AR229244A1 (es)
BE (1) BE888960A (es)
BR (1) BR8103310A (es)
CA (1) CA1162888A (es)
DE (1) DE3120110A1 (es)
ES (1) ES8207610A1 (es)
FR (1) FR2503214A2 (es)
GB (1) GB2076777B (es)
IT (1) IT1144569B (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2527668A1 (fr) * 1982-05-26 1983-12-02 Poclain Sa Engin de terrassement a fleche, balancier et godet comportant un dispositif de commande de l'orientation du godet
GB2163126B (en) * 1984-08-18 1987-07-22 Bamford Excavators Ltd A boom and method of operating it
US4523750A (en) * 1984-08-30 1985-06-18 Xerox Corporation Copier/duplicator with finishing apparatus having low staple control features
JPS6175130A (ja) * 1984-09-20 1986-04-17 Sekitan Rotenbori Kikai Gijutsu Kenkyu Kumiai ロ−デイングシヨベルの油圧回路
JPS6175129A (ja) * 1984-09-20 1986-04-17 Sekitan Rotenbori Kikai Gijutsu Kenkyu Kumiai ロ−デイングシヨベルの油圧回路
JPS6175133A (ja) * 1984-09-20 1986-04-17 Sekitan Rotenbori Kikai Gijutsu Kenkyu Kumiai ロ−デイングシヨベルの油圧回路
JPS6175132A (ja) * 1984-09-20 1986-04-17 Sekitan Rotenbori Kikai Gijutsu Kenkyu Kumiai ロ−デイングシヨベルの油圧回路
JPS6175131A (ja) * 1984-09-20 1986-04-17 Sekitan Rotenbori Kikai Gijutsu Kenkyu Kumiai ロ−デイングシヨベルの油圧回路
US4770083A (en) * 1987-02-19 1988-09-13 Deere & Company Independently actuated pressure relief system
JP4562948B2 (ja) * 2001-05-17 2010-10-13 日立建機株式会社 油圧駆動装置
JP4729988B2 (ja) * 2005-06-02 2011-07-20 株式会社島津製作所 電子天びん
DE102010023435A1 (de) * 2010-06-11 2011-12-15 Toni Kiesel Verfahren zur Ansteuerung eines hydraulisch bewegbaren Auslegers eines Arbeitsgerätes sowie ein Arbeitsgerät
DE102011000239A1 (de) * 2011-01-20 2012-07-26 Palfinger Platforms GmbH Hydrauliksystem mit zumindest einer Antriebsmaschine
JP5944293B2 (ja) * 2012-10-17 2016-07-05 三陽機器株式会社 作業機の油圧回路
AT17140U3 (de) * 2021-02-23 2021-11-15 Kaiser Ag Schreitbagger

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3862697A (en) * 1972-08-24 1975-01-28 Caterpillar Tractor Co Front loading hydraulic excavator
US3966066A (en) * 1975-04-25 1976-06-29 Caterpillar Tractor Co. Hydraulic circuit
US4179981A (en) * 1975-10-30 1979-12-25 Poclain Device for sequentially supplying several hydraulic motors

Also Published As

Publication number Publication date
DE3120110A1 (de) 1982-02-25
ES502448A0 (es) 1982-10-01
GB2076777B (en) 1983-11-09
FR2503214A2 (fr) 1982-10-08
IT8167708A0 (it) 1981-05-27
GB2076777A (en) 1981-12-09
IT1144569B (it) 1986-10-29
AR229244A1 (es) 1983-07-15
JPH0260812B2 (es) 1990-12-18
CA1162888A (en) 1984-02-28
BR8103310A (pt) 1982-02-16
US4376612A (en) 1983-03-15
JPS5719429A (en) 1982-02-01
DE3120110C2 (es) 1992-05-14
FR2503214B2 (es) 1984-05-25
BE888960A (fr) 1981-11-26

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970303