CA1027521A - Power shovel and crowd system therefor - Google Patents

Power shovel and crowd system therefor

Info

Publication number
CA1027521A
CA1027521A CA210,831A CA210831A CA1027521A CA 1027521 A CA1027521 A CA 1027521A CA 210831 A CA210831 A CA 210831A CA 1027521 A CA1027521 A CA 1027521A
Authority
CA
Canada
Prior art keywords
system therefor
power shovel
crowd system
crowd
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
CA210,831A
Other languages
French (fr)
Other versions
CA210831S (en
Inventor
George B. Baron
Paul W. Padrutt
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.)
Marion Power Shovel Co Inc
Original Assignee
Marion Power Shovel Co Inc
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 Marion Power Shovel Co Inc filed Critical Marion Power Shovel Co Inc
Priority to CA294,858A priority Critical patent/CA1101803A/en
Application granted granted Critical
Publication of CA1027521A publication Critical patent/CA1027521A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/42Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/427Drives for dippers, buckets, dipper-arms or bucket-arms with mechanical drives
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/30Dredgers; 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/30Dredgers; 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
    • E02F3/308Dredgers; 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/42Drives for dippers, buckets, dipper-arms or bucket-arms
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2217Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels

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)
  • Toys (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Earth Drilling (AREA)
CA210,831A 1974-06-06 1974-10-07 Power shovel and crowd system therefor Expired CA1027521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA294,858A CA1101803A (en) 1974-06-06 1978-01-12 Power shovel and crowd system therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47702274A 1974-06-06 1974-06-06

Publications (1)

Publication Number Publication Date
CA1027521A true CA1027521A (en) 1978-03-07

Family

ID=23894184

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,831A Expired CA1027521A (en) 1974-06-06 1974-10-07 Power shovel and crowd system therefor

Country Status (14)

Country Link
JP (1) JPS584132B2 (en)
BR (1) BR7503564A (en)
CA (1) CA1027521A (en)
DE (1) DE2525361A1 (en)
FR (1) FR2273910A1 (en)
GB (1) GB1474719A (en)
IN (1) IN145150B (en)
NO (3) NO751982L (en)
PH (1) PH13413A (en)
SE (2) SE7506438L (en)
TR (1) TR18852A (en)
YU (1) YU146375A (en)
ZA (1) ZA746586B (en)
ZM (1) ZM7375A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5349178U (en) * 1976-09-29 1978-04-25
JPS5438306U (en) * 1977-08-23 1979-03-13
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
DE10331533B4 (en) * 2003-07-11 2005-11-03 Brueninghaus Hydromatik Gmbh Control and positioning system for a lifting and tilting device of a working tool in a mobile working machine
EP3420237A1 (en) * 2016-02-23 2019-01-02 Quoceant Ltd Hydraulic fluid power transmission
CN114620625A (en) * 2022-03-18 2022-06-14 山河智能装备股份有限公司 Power recovery system and power recovery method for hoisting mechanism of engineering machinery

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5831858B2 (en) * 1977-09-10 1983-07-08 日本電信電話株式会社 How to measure the bending angle of optical fiber connectors

Also Published As

Publication number Publication date
ZA746586B (en) 1975-11-26
GB1474719A (en) 1977-05-25
BR7503564A (en) 1976-05-25
NO790450L (en) 1975-12-09
SE7901703L (en) 1979-02-26
YU146375A (en) 1982-02-28
FR2273910A1 (en) 1976-01-02
NO751982L (en) 1975-12-09
SE7506438L (en) 1975-12-08
NO790451L (en) 1975-12-09
JPS51102A (en) 1976-01-05
AU7432974A (en) 1976-04-29
PH13413A (en) 1980-03-28
DE2525361A1 (en) 1975-12-18
ZM7375A1 (en) 1976-12-21
TR18852A (en) 1978-01-01
IN145150B (en) 1978-09-02
JPS584132B2 (en) 1983-01-25

Similar Documents

Publication Publication Date Title
CA1031805A (en) Excavator
CA1017941A (en) Earthworking blade arrangement
AU472101B2 (en) Excavator basket-stick connection
CA1018485A (en) Hydraulically operated shovels
CA1014896A (en) Excavators
CA1015779A (en) Dredging implementations
CA1028159A (en) Power tilt dozer and reel carrier
CA1027521A (en) Power shovel and crowd system therefor
AU493553B2 (en) Excavating device
CA1024945A (en) Power shovel
AU501350B2 (en) Motion limit system for power shovels
CA1008407A (en) Excavation shovel and the like apparatus
AU495993B2 (en) Power shovel and crowd system therefor
CA992949A (en) Seine-hauling power block
AU499175B2 (en) Earth-working tool
CA1010321A (en) Power cylinder construction
CA1016124A (en) Scoop and sheath means therefor
CA999027A (en) Excavation basket-stick connection
AU491381B2 (en) Improvements in excavators
AU470709B2 (en) Anodizinc means and techniques
AU489449B2 (en) Tractor-mounted grader-leveller
CA1029637A (en) Tractor-mounted grader-leveler
AU515057B2 (en) Phenylalkylaminoalkyl-phenyl and thienyl-ketones
AU483590B2 (en) Power tilt dozer and reel carrier
AU493463B2 (en) Dredging installation