CA2047829A1 - Dragline rotating frame structure - Google Patents

Dragline rotating frame structure

Info

Publication number
CA2047829A1
CA2047829A1 CA 2047829 CA2047829A CA2047829A1 CA 2047829 A1 CA2047829 A1 CA 2047829A1 CA 2047829 CA2047829 CA 2047829 CA 2047829 A CA2047829 A CA 2047829A CA 2047829 A1 CA2047829 A1 CA 2047829A1
Authority
CA
Canada
Prior art keywords
frame
compartments
dragline
ring gear
frame structure
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.)
Granted
Application number
CA 2047829
Other languages
French (fr)
Other versions
CA2047829C (en
Inventor
Dev R. Malik
James A. Ehret
Richard E. Blair
Allan E. Geyer
Shrishailesh R. Iyengar
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.)
Caterpillar Global Mining LLC
Original Assignee
Dresser Industries 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
Priority claimed from US07/576,797 external-priority patent/US5058753A/en
Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of CA2047829A1 publication Critical patent/CA2047829A1/en
Application granted granted Critical
Publication of CA2047829C publication Critical patent/CA2047829C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • General Details Of Gearings (AREA)

Abstract

A frame for an excavating machine having a ring gear wherein the frame is rotated with respect to the ring gear includes top and bottom plates. A plurality of compartments are circularly disposed within the frame and between the plates. A plurality of drive units are provided wherein each drive unit is mounted within one of the plurality of compartments below the top plate. The drive units extend below the bottom plate for driving engagement with the ring gear. A plurality of radially disposed bulkheads are located within the frame between the top and bottom plates and between the plurality of compartments.
CA 2047829 1990-08-31 1991-07-24 Dragline rotating frame structure Expired - Fee Related CA2047829C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/576,797 US5058753A (en) 1990-01-24 1990-08-31 Dragline rotating frame structure
US07/576,797 1990-08-31

Publications (2)

Publication Number Publication Date
CA2047829A1 true CA2047829A1 (en) 1992-03-01
CA2047829C CA2047829C (en) 1995-08-15

Family

ID=24306034

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2047829 Expired - Fee Related CA2047829C (en) 1990-08-31 1991-07-24 Dragline rotating frame structure

Country Status (3)

Country Link
AU (1) AU627662B2 (en)
CA (1) CA2047829C (en)
ZA (1) ZA914766B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154013A (en) * 1991-08-19 1992-10-13 Harnischfeger Corporation Lifting stool for a support tub of a dragline excavating machine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4611440A (en) * 1982-09-20 1986-09-16 Ernest Kalve Walking dragline base frame and revolving frame construction
US4769932A (en) * 1987-04-10 1988-09-13 Ernest Kalve Walking dragline excavator frames with torsion resistant tubular-web rail girders and other improvements

Also Published As

Publication number Publication date
CA2047829C (en) 1995-08-15
AU7920091A (en) 1992-03-05
AU627662B2 (en) 1992-08-27
ZA914766B (en) 1992-04-29

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed