ES426582A1 - Public works device comprises a body a telescopic jib - Google Patents

Public works device comprises a body a telescopic jib

Info

Publication number
ES426582A1
ES426582A1 ES426582A ES426582A ES426582A1 ES 426582 A1 ES426582 A1 ES 426582A1 ES 426582 A ES426582 A ES 426582A ES 426582 A ES426582 A ES 426582A ES 426582 A1 ES426582 A1 ES 426582A1
Authority
ES
Spain
Prior art keywords
section
arm
pivot point
sections
pivotally
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
ES426582A
Other languages
Spanish (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
Application filed by Poclain SA filed Critical Poclain SA
Publication of ES426582A1 publication Critical patent/ES426582A1/en
Expired 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
    • E02F3/283—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 single arm pivoted directly on the chassis
    • E02F3/286—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 single arm pivoted directly on the chassis telescopic or slidable
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/087—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods by means of a swinging arm

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Jib Cranes (AREA)

Abstract

A public works device comprises a body, a telescopic jib including at least two sections of which a first section is pivotally mounted on the body and a second section is mounted for sliding relative to the first section, first control means for controlling relative sliding of the two sections and connected between the two sections, second control means for controlling pivoting of the first section relative to the body and which is connected between the first section and the body, and a linkage pivotally connected to the first and second sections and by which a work tool is freely suspended from the jib, wherein the linkage includes a first arm having three aligned and equally spaced pivot points and which is pivotally coupled directly or indirectly by one extreme pivot point to the second section, a second arm having two aligned pivot points spaced apart by a distance equal to that separating adjacent pivot points of the first arm, the second arm being pivotally coupled by one pivot point directly or indirectly to the first section and pivotally connected by the other pivot point to the intermediate pivot point of the first arm, and the work tool is suspended from the other extreme pivot point of the first arm.
ES426582A 1973-05-22 1974-05-22 Public works device comprises a body a telescopic jib Expired ES426582A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7318585A FR2230809B1 (en) 1973-05-22 1973-05-22

Publications (1)

Publication Number Publication Date
ES426582A1 true ES426582A1 (en) 1976-07-01

Family

ID=9119769

Family Applications (1)

Application Number Title Priority Date Filing Date
ES426582A Expired ES426582A1 (en) 1973-05-22 1974-05-22 Public works device comprises a body a telescopic jib

Country Status (10)

Country Link
US (1) US3881556A (en)
JP (1) JPS5710274B2 (en)
AR (1) AR205709A1 (en)
BE (1) BE815356A (en)
BR (1) BR7403956D0 (en)
DE (1) DE2424586A1 (en)
ES (1) ES426582A1 (en)
FR (1) FR2230809B1 (en)
GB (1) GB1455516A (en)
IT (1) IT1014226B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2349533A1 (en) * 1976-04-28 1977-11-25 Harnischfeger Gmbh VEHICLE-MOUNTED HYDRAULIC CRANE
JPS53108104U (en) * 1977-02-04 1978-08-30
EP0002291A3 (en) * 1977-11-16 1979-07-25 VANDAELE GEBROEDERS personenvennootschap met beperkte aansprakelijkheid Hydraulic core drill apparatus
FR2449749A1 (en) * 1979-02-26 1980-09-19 Lignones Hubert Articulating support for agricultural tool - utilises three jacks acting on support arm to provide movements in horizontal and vertical planes
JPS58203854A (en) * 1982-05-12 1983-11-28 雪印乳業株式会社 Method of packing tray receipt
CA1229333A (en) * 1984-09-07 1987-11-17 Bernard L. Gien Truck mounted drilling machine
US4645084A (en) * 1985-02-21 1987-02-24 Construction Robotics, Inc. Robot arm
JP2562811Y2 (en) * 1991-05-22 1998-02-16 塩野義製薬株式会社 Capsule weighing and sorting device
AUPR576501A0 (en) * 2001-06-18 2001-07-12 Russell Mineral Equipment Pty Ltd Rock bolting apparatus and method
CN112470606B (en) * 2020-12-19 2021-09-28 苏州础润环境修复科技有限公司 Automatic digging device for ecological tree pool and working method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771273A (en) * 1952-06-06 1956-11-20 Chicago Pneumatic Tool Co Roof bolting drill
US2927705A (en) * 1956-03-07 1960-03-08 Girardi Antonio Lawrence Orchard apparatus
US3095061A (en) * 1960-07-15 1963-06-25 Louie E Gregory Hydraulically operated lazy tongs structure
US3295800A (en) * 1963-10-31 1967-01-03 Atlas Copco Ab Positioning device for rock drills
US3306374A (en) * 1964-04-23 1967-02-28 Atlas Copco Ab Polar positioning device for rock drills
SE317342B (en) * 1967-06-22 1969-11-17 Atlas Copco Ab
US3470981A (en) * 1967-07-20 1969-10-07 Agri Craft Inc Stress-compensated boom structure

Also Published As

Publication number Publication date
BR7403956D0 (en) 1974-12-31
GB1455516A (en) 1976-11-10
IT1014226B (en) 1977-04-20
US3881556A (en) 1975-05-06
AR205709A1 (en) 1976-05-31
JPS5710274B2 (en) 1982-02-25
DE2424586A1 (en) 1974-12-12
FR2230809B1 (en) 1976-04-23
BE815356A (en) 1974-09-16
JPS5020507A (en) 1975-03-04
FR2230809A1 (en) 1974-12-20

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