ZA926213B - Support tub for dragline excavating machine. - Google Patents
Support tub for dragline excavating machine.Info
- Publication number
- ZA926213B ZA926213B ZA926213A ZA926213A ZA926213B ZA 926213 B ZA926213 B ZA 926213B ZA 926213 A ZA926213 A ZA 926213A ZA 926213 A ZA926213 A ZA 926213A ZA 926213 B ZA926213 B ZA 926213B
- Authority
- ZA
- South Africa
- Prior art keywords
- excavating machine
- support tub
- dragline excavating
- dragline
- tub
- Prior art date
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
- E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
-
- 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
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/747,175 US5154012A (en) | 1991-08-19 | 1991-08-19 | Support tub for dragline excavating machine |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA926213B true ZA926213B (en) | 1993-03-01 |
Family
ID=25003985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA926213A ZA926213B (en) | 1991-08-19 | 1992-08-18 | Support tub for dragline excavating machine. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5154012A (xx) |
AU (1) | AU654572B2 (xx) |
CA (1) | CA2070362C (xx) |
ZA (1) | ZA926213B (xx) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5398396A (en) * | 1993-02-26 | 1995-03-21 | Harnischfeger Corporation | Method and apparatus for withdrawing a machine shaft |
US5642577A (en) * | 1995-09-29 | 1997-07-01 | Harnischfeger Corporation | Dragline with high headroom between upper and lower structures |
US5676471A (en) * | 1995-09-29 | 1997-10-14 | Harnischfeger Corporation | Dragline with improved thrust bearing assembly supporting upper structure |
US8573852B2 (en) * | 2011-06-17 | 2013-11-05 | Harnischfeger Technologies, Inc. | Roller circle assembly for heavy machinery |
US8474160B1 (en) | 2011-10-17 | 2013-07-02 | Warfab Industries, Inc. | Center pin support for a dragline excavating machine |
US20160273191A1 (en) * | 2016-05-31 | 2016-09-22 | Caterpillar Global Mining Llc | Center pintle hub for a machine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4329795A (en) * | 1980-08-18 | 1982-05-18 | Ernest Kalve | Load stress relief for walking dragline excavator base frames |
US4423560A (en) * | 1981-10-26 | 1984-01-03 | Theodore Rivinius | Auxiliary support for heavy equipment |
US4769932A (en) * | 1987-04-10 | 1988-09-13 | Ernest Kalve | Walking dragline excavator frames with torsion resistant tubular-web rail girders and other improvements |
US5040314A (en) * | 1990-10-29 | 1991-08-20 | Ernest Kalve | Stress relief for walking dragline frames |
-
1991
- 1991-08-19 US US07/747,175 patent/US5154012A/en not_active Expired - Lifetime
-
1992
- 1992-06-03 CA CA002070362A patent/CA2070362C/en not_active Expired - Fee Related
- 1992-08-18 AU AU21095/92A patent/AU654572B2/en not_active Expired
- 1992-08-18 ZA ZA926213A patent/ZA926213B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US5154012A (en) | 1992-10-13 |
CA2070362C (en) | 1995-10-10 |
AU2109592A (en) | 1993-02-25 |
AU654572B2 (en) | 1994-11-10 |
CA2070362A1 (en) | 1993-02-20 |
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