GB9417463D0 - Tunnel enlarging excavator - Google Patents

Tunnel enlarging excavator

Info

Publication number
GB9417463D0
GB9417463D0 GB9417463A GB9417463A GB9417463D0 GB 9417463 D0 GB9417463 D0 GB 9417463D0 GB 9417463 A GB9417463 A GB 9417463A GB 9417463 A GB9417463 A GB 9417463A GB 9417463 D0 GB9417463 D0 GB 9417463D0
Authority
GB
United Kingdom
Prior art keywords
excavator
tunnel enlarging
enlarging
tunnel
enlarging excavator
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.)
Withdrawn
Application number
GB9417463A
Other versions
GB2281732A (en
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Publication of GB9417463D0 publication Critical patent/GB9417463D0/en
Publication of GB2281732A publication Critical patent/GB2281732A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • 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
    • E02F3/303—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 with the dipper-arm or boom rotatable about its longitudinal axis
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/085—Ground-engaging fitting for supporting the machines while working, e.g. outriggers, legs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/01—Methods or apparatus for enlarging or restoring the cross-section of tunnels, e.g. by restoring the floor to its original level

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
GB9417463A 1993-09-08 1994-08-31 Tunnel enlarging excavator Withdrawn GB2281732A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1993053629U JP2589416Y2 (en) 1993-09-08 1993-09-08 Hydraulic excavator for expanding diameter tunnel construction

Publications (2)

Publication Number Publication Date
GB9417463D0 true GB9417463D0 (en) 1994-10-19
GB2281732A GB2281732A (en) 1995-03-15

Family

ID=12948206

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9417463A Withdrawn GB2281732A (en) 1993-09-08 1994-08-31 Tunnel enlarging excavator

Country Status (2)

Country Link
JP (1) JP2589416Y2 (en)
GB (1) GB2281732A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111022069A (en) * 2019-12-26 2020-04-17 中联重科股份有限公司 Cantilever type tunneling device and tunneling machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463336A (en) * 1967-11-15 1969-08-26 Bucyrus Erie Co Backhoe excavator or the like with power actuated side tilting handle
CH471944A (en) * 1968-07-09 1969-04-30 Hydrel Ag Maschf Device for the mining and clearing of soil, especially for pipe jacking and tunnel construction
GB1433756A (en) * 1972-10-05 1976-04-28 Salzgitter Maschinen Ag Advancing mineral-mining machines
US4542940A (en) * 1978-12-04 1985-09-24 H. B. Zachry Co. Method and apparatus for cutting a trench through rock-like material

Also Published As

Publication number Publication date
JPH0717898U (en) 1995-03-31
GB2281732A (en) 1995-03-15
JP2589416Y2 (en) 1999-01-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)