ZA200300041B - Extendable and retractable rotor arm assembly. - Google Patents

Extendable and retractable rotor arm assembly. Download PDF

Info

Publication number
ZA200300041B
ZA200300041B ZA200300041A ZA200300041A ZA200300041B ZA 200300041 B ZA200300041 B ZA 200300041B ZA 200300041 A ZA200300041 A ZA 200300041A ZA 200300041 A ZA200300041 A ZA 200300041A ZA 200300041 B ZA200300041 B ZA 200300041B
Authority
ZA
South Africa
Prior art keywords
rotor arm
mining machine
extendable
sleeve
end portion
Prior art date
Application number
ZA200300041A
Other languages
English (en)
Inventor
Maurice K Lebegue
Original Assignee
Sandvik Ab
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 Sandvik Ab filed Critical Sandvik Ab
Publication of ZA200300041B publication Critical patent/ZA200300041B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
    • E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
    • E21C27/124—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools with rotatable cutters provided with breaking-down members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7018—Interfitted members including separably interposed key
    • Y10T403/7021—Axially extending
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7047—Radially interposed shim or bushing
    • Y10T403/7051—Wedging or camming

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
  • Transmission Devices (AREA)
ZA200300041A 2000-07-10 2003-01-02 Extendable and retractable rotor arm assembly. ZA200300041B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/612,912 US6431654B1 (en) 2000-07-10 2000-07-10 Mining machine having an extendable and retractable rotor arm and method of repairing an extendable and retractable rotor arm assembly

Publications (1)

Publication Number Publication Date
ZA200300041B true ZA200300041B (en) 2004-04-02

Family

ID=24455105

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200300041A ZA200300041B (en) 2000-07-10 2003-01-02 Extendable and retractable rotor arm assembly.

Country Status (8)

Country Link
US (1) US6431654B1 (xx)
AT (1) AT501526B1 (xx)
AU (2) AU1878002A (xx)
CA (1) CA2414368C (xx)
DE (1) DE10196407B4 (xx)
GB (1) GB2382094B (xx)
WO (1) WO2002004786A1 (xx)
ZA (1) ZA200300041B (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6705946B2 (en) * 2001-06-18 2004-03-16 Honeywell International, Inc. Oil-less shaft coupling utilizing carbon-carbon composite and method of fabrication thereof
US7695071B2 (en) * 2002-10-15 2010-04-13 Minister Of Natural Resources Automated excavation machine
US7192093B2 (en) * 2004-04-23 2007-03-20 Placer Dome Technical Services Limited Excavation apparatus and method
US7475947B2 (en) * 2007-03-05 2009-01-13 Sandvik Intellectual Property Ab Extendable cutter drum for a boring machine
CN101457641B (zh) * 2008-12-29 2011-03-02 煤炭科学研究总院太原研究院 一种带管路托链的掘进机截割伸缩臂
US8147219B2 (en) * 2010-02-16 2012-04-03 Heng Sheng Precision Tech. Co., Ltd. Motor direct driven compressor system
CN101975061A (zh) * 2010-09-30 2011-02-16 三一重型装备有限公司 采煤机及其采高系统
US9227464B2 (en) 2014-05-30 2016-01-05 Cnh Industrial America Llc Axle assembly for a work vehicle
WO2020023928A1 (en) * 2018-07-26 2020-01-30 Joy Global Underground Mining Llc Thermally expandable connector
CN114929991A (zh) * 2020-01-20 2022-08-19 山特维克矿山工程机械有限公司 用于采矿机的切削组件

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US258698A (en) * 1882-05-30 Wheel for sulky-plows
US408835A (en) * 1889-08-13 Henry grafton
US1849186A (en) * 1927-04-25 1932-03-15 Nat Supply Co Soft core for hard materials and method of applying same
US2879049A (en) * 1955-07-28 1959-03-24 Consolidation Coal Co Adjustable arm for a rotary cutting head
US2890033A (en) 1957-07-03 1959-06-09 Goodman Mfg Co Trimmer bars for boring type mining machines
US2937859A (en) 1958-06-06 1960-05-24 Nat Mine Service Co Mining machine having extensible and retractable boring arm
US3309144A (en) * 1965-03-22 1967-03-14 Nat Mine Service Co Boring head having extensible arm and relatively rotated concentric cutter
US3516712A (en) * 1968-08-19 1970-06-23 Jeffrey Galion Inc Mining machine for mining material from the entire face
US4110652A (en) * 1977-03-16 1978-08-29 General Electric Company Mounting assembly for laminated rotor rim of dynamoelectric generator rotatable about inclined shaft
US4316635A (en) 1980-05-27 1982-02-23 National Mine Service Company Extensible and retraciable rotor arm cutting assembly

Also Published As

Publication number Publication date
US6431654B1 (en) 2002-08-13
DE10196407B4 (de) 2011-08-11
CA2414368A1 (en) 2002-01-17
AU2002218780B2 (en) 2006-12-21
AT501526A1 (de) 2006-09-15
AU1878002A (en) 2002-01-21
WO2002004786A1 (en) 2002-01-17
GB2382094A (en) 2003-05-21
CA2414368C (en) 2006-06-06
GB2382094B (en) 2004-12-15
GB0300045D0 (en) 2003-02-05
DE10196407T1 (de) 2003-10-09
AT501526B1 (de) 2008-02-15

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