FR2548242B2 - EARTHMOVING MACHINE, SUCH AS A HYDRAULIC SHOVEL - Google Patents

EARTHMOVING MACHINE, SUCH AS A HYDRAULIC SHOVEL

Info

Publication number
FR2548242B2
FR2548242B2 FR8309917A FR8309917A FR2548242B2 FR 2548242 B2 FR2548242 B2 FR 2548242B2 FR 8309917 A FR8309917 A FR 8309917A FR 8309917 A FR8309917 A FR 8309917A FR 2548242 B2 FR2548242 B2 FR 2548242B2
Authority
FR
France
Prior art keywords
hydraulic shovel
earthmoving machine
earthmoving
machine
shovel
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
FR8309917A
Other languages
French (fr)
Other versions
FR2548242A2 (en
Inventor
Victor Yeou
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
Application filed by Poclain SA filed Critical Poclain SA
Priority to FR8309917A priority Critical patent/FR2548242B2/en
Publication of FR2548242A2 publication Critical patent/FR2548242A2/en
Application granted granted Critical
Publication of FR2548242B2 publication Critical patent/FR2548242B2/en
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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
FR8309917A 1980-05-28 1983-06-15 EARTHMOVING MACHINE, SUCH AS A HYDRAULIC SHOVEL Expired FR2548242B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8309917A FR2548242B2 (en) 1980-05-28 1983-06-15 EARTHMOVING MACHINE, SUCH AS A HYDRAULIC SHOVEL

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8011825A FR2483486A1 (en) 1980-05-28 1980-05-28 Earth moving vehicle arm - has double pivoted jib with four rams some double acting controlled via distributor
FR8309917A FR2548242B2 (en) 1980-05-28 1983-06-15 EARTHMOVING MACHINE, SUCH AS A HYDRAULIC SHOVEL

Publications (2)

Publication Number Publication Date
FR2548242A2 FR2548242A2 (en) 1985-01-04
FR2548242B2 true FR2548242B2 (en) 1985-12-13

Family

ID=9242418

Family Applications (2)

Application Number Title Priority Date Filing Date
FR8011825A Granted FR2483486A1 (en) 1980-05-28 1980-05-28 Earth moving vehicle arm - has double pivoted jib with four rams some double acting controlled via distributor
FR8309917A Expired FR2548242B2 (en) 1980-05-28 1983-06-15 EARTHMOVING MACHINE, SUCH AS A HYDRAULIC SHOVEL

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR8011825A Granted FR2483486A1 (en) 1980-05-28 1980-05-28 Earth moving vehicle arm - has double pivoted jib with four rams some double acting controlled via distributor

Country Status (1)

Country Link
FR (2) FR2483486A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2483486A1 (en) * 1980-05-28 1981-12-04 Poclain Sa Earth moving vehicle arm - has double pivoted jib with four rams some double acting controlled via distributor
FI990609A (en) * 1999-03-18 2000-09-19 Ossi Kortesalmi Arrangements for lifting and lowering a lifting boom or equivalent in an excavator or equivalent lifting device
JP3612256B2 (en) * 1999-12-22 2005-01-19 新キャタピラー三菱株式会社 Hydraulic circuit of work machine
FR2822860B1 (en) * 2001-03-29 2003-08-15 Groupe Mecalac PUBLIC WORKS ENGINE

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1326534A (en) * 1962-03-29 1963-05-10 Poclain Atel Hydraulic leveler
FR2197092B1 (en) * 1972-08-24 1980-07-25 Caterpillar Tractor Co
CA1027521A (en) * 1974-06-06 1978-03-07 George B. Baron Power shovel and crowd system therefor
FR2329881A1 (en) * 1975-10-30 1977-05-27 Poclain Sa THREE FLUID MOTOR SEQUENCE FEEDING DEVICE
FR2357764A1 (en) * 1976-07-06 1978-02-03 Poclain Sa AT LEAST TWO FLUID MOTOR UNITS
FR2415600A1 (en) * 1978-01-30 1979-08-24 Baas Technik Gmbh PARALLEL GUIDANCE DEVICE FOR A VEHICLE-MOUNTED FRONT LOADING EQUIPMENT
FR2483486A1 (en) * 1980-05-28 1981-12-04 Poclain Sa Earth moving vehicle arm - has double pivoted jib with four rams some double acting controlled via distributor

Also Published As

Publication number Publication date
FR2548242A2 (en) 1985-01-04
FR2483486B1 (en) 1983-08-12
FR2483486A1 (en) 1981-12-04

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Legal Events

Date Code Title Description
CD Change of name or company name