GB1380549A - Hydraulic operating system for a bucket-wheel excavator - Google Patents
Hydraulic operating system for a bucket-wheel excavatorInfo
- Publication number
- GB1380549A GB1380549A GB2860373A GB2860373A GB1380549A GB 1380549 A GB1380549 A GB 1380549A GB 2860373 A GB2860373 A GB 2860373A GB 2860373 A GB2860373 A GB 2860373A GB 1380549 A GB1380549 A GB 1380549A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pumps
- pressure
- motor
- control means
- fluid
- 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
Links
- 239000012530 fluid Substances 0.000 abstract 4
Classifications
-
- 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°
- E02F9/123—Drives or control devices specially adapted therefor
-
- 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
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/22—Component parts
- E02F3/26—Safety or control devices
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
1380549 Bucket wheel excavators O & K ORENSTEIN & KOPPEL AG 15 June 1973 [16 June 1972] 28603/73 Heading E1F A hydraulic operating system, for a mobile bucket excavator having a hydraulic motor 20 for driving a bucket wheel (7), Fig. 1 (not shown) carried by a jib (8) which may be swivelled about a vertical axis by a hydraulic motor 40, comprises respective digging and swivelling control means 23 and 44 for controlling the supply of pressure fluid from a first source, such as twin pumps 21, 22 and a second source, such as pump 42, to the motors 20 and 40, and first and second control means responsive to the resistance encountered by the buckets for automatically reducing the rate of fluid supply to the motors 20 and 40 respectively. The output of the twin pumps 21, 22 is limited by control devices 32, 33 in response to the fluid pressure in the supply lines to the motor 20. The pump 42 is controlled by a device 43 responsive to the pressure difference between lines 48a, 48b supplied from a source 54 through line 45 and swivel control means 44; the pressure in the line 45 is limited by control means 48, again responsive to the pressure in line 29c feeding the motor 20. The twin pumps 21, 22 include respective pumps 21a, 22a feeding the motor 20 directly and pumps 21b, 22b feeding it through slide valves 28a, 28b which may be set to divert fluid to hydraulic motors 30a, 30b to propel the excavator. The lines 48a, 48b may be vented by valves 53a, 53b controlled by limit switches operated by a cam disc on the jib (8) to prevent the jib colliding with discharge conveyor arm (14).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722229347 DE2229347C2 (en) | 1972-06-16 | Hydraulically controlled and powered bucket wheel excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1380549A true GB1380549A (en) | 1975-01-15 |
Family
ID=5847904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2860373A Expired GB1380549A (en) | 1972-06-16 | 1973-06-15 | Hydraulic operating system for a bucket-wheel excavator |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS525762B2 (en) |
| AU (1) | AU454355B2 (en) |
| BR (2) | BR7204458D0 (en) |
| CA (1) | CA984418A (en) |
| CS (1) | CS202536B2 (en) |
| DD (1) | DD105640A5 (en) |
| DK (1) | DK133703C (en) |
| FR (1) | FR2189589B1 (en) |
| GB (1) | GB1380549A (en) |
| IT (1) | IT985695B (en) |
| NL (1) | NL7308390A (en) |
| PL (1) | PL78518B1 (en) |
| SU (1) | SU709007A3 (en) |
| ZA (1) | ZA734063B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106743725A (en) * | 2016-12-21 | 2017-05-31 | 北方重工集团有限公司 | A kind of flake type bucket bottom feeding bucket |
| US10119556B2 (en) | 2015-12-07 | 2018-11-06 | Caterpillar Inc. | System having combinable transmission and implement circuits |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2484664A1 (en) * | 1980-06-12 | 1981-12-18 | Bec Freres Sa | Field installation to use locally excavated ballast for public works - automatically proportions binding additive to conveyed wt. of ballast |
| GB8423420D0 (en) * | 1984-09-17 | 1984-10-24 | Doyle G H | Excavator with cutting wheel assembly |
| CN111559650B (en) * | 2019-02-14 | 2021-12-07 | 南通奥普机械工程有限公司 | Horizontal bucket-wheel stacker-reclaimer and reclaiming method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1188891B (en) * | 1958-06-26 | 1965-03-11 | Richard Breinlich Dr | Hydrostatic drive device |
| DE1952034A1 (en) * | 1969-10-15 | 1971-04-22 | Linde Ag | Control device for a hydraulic system and valve for this |
-
1972
- 1972-07-06 BR BR4458/72A patent/BR7204458D0/en unknown
-
1973
- 1973-06-07 SU SU731926241A patent/SU709007A3/en active
- 1973-06-07 DK DK316473A patent/DK133703C/en not_active IP Right Cessation
- 1973-06-07 CS CS734146A patent/CS202536B2/en unknown
- 1973-06-11 JP JP48064899A patent/JPS525762B2/ja not_active Expired
- 1973-06-14 AU AU56899/73A patent/AU454355B2/en not_active Expired
- 1973-06-14 PL PL1973163339A patent/PL78518B1/pl unknown
- 1973-06-14 IT IT50814/73A patent/IT985695B/en active
- 1973-06-14 BR BR4458/73A patent/BR7304458D0/en unknown
- 1973-06-15 DD DD171588A patent/DD105640A5/xx unknown
- 1973-06-15 CA CA174,165A patent/CA984418A/en not_active Expired
- 1973-06-15 NL NL7308390A patent/NL7308390A/xx unknown
- 1973-06-15 GB GB2860373A patent/GB1380549A/en not_active Expired
- 1973-06-15 ZA ZA734063A patent/ZA734063B/en unknown
- 1973-06-18 FR FR7322068A patent/FR2189589B1/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10119556B2 (en) | 2015-12-07 | 2018-11-06 | Caterpillar Inc. | System having combinable transmission and implement circuits |
| CN106743725A (en) * | 2016-12-21 | 2017-05-31 | 北方重工集团有限公司 | A kind of flake type bucket bottom feeding bucket |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA734063B (en) | 1974-06-26 |
| AU454355B2 (en) | 1974-10-31 |
| NL7308390A (en) | 1973-12-18 |
| JPS525762B2 (en) | 1977-02-16 |
| JPS4963203A (en) | 1974-06-19 |
| DE2229347B1 (en) | 1973-09-27 |
| IT985695B (en) | 1974-12-10 |
| DK133703B (en) | 1976-07-05 |
| DD105640A5 (en) | 1974-05-05 |
| CA984418A (en) | 1976-02-24 |
| DK133703C (en) | 1976-11-22 |
| BR7304458D0 (en) | 1974-09-05 |
| DE2229347A1 (en) | 1973-09-27 |
| AU5689973A (en) | 1974-10-31 |
| FR2189589B1 (en) | 1976-06-11 |
| SU709007A3 (en) | 1980-01-05 |
| BR7204458D0 (en) | 1974-09-05 |
| FR2189589A1 (en) | 1974-01-25 |
| CS202536B2 (en) | 1981-01-30 |
| PL78518B1 (en) | 1975-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |