BR9701407A - Máquina motriz e escavadeira - Google Patents
Máquina motriz e escavadeiraInfo
- Publication number
- BR9701407A BR9701407A BR9701407A BR9701407A BR9701407A BR 9701407 A BR9701407 A BR 9701407A BR 9701407 A BR9701407 A BR 9701407A BR 9701407 A BR9701407 A BR 9701407A BR 9701407 A BR9701407 A BR 9701407A
- Authority
- BR
- Brazil
- Prior art keywords
- excavator
- driving machine
- driving
- machine
- Prior art date
Links
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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2267—Valves or distributors
-
- 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
- E02F9/2282—Systems using center bypass type changeover valves
-
- 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
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/963—Arrangements on backhoes for alternate use of different tools
- E02F3/964—Arrangements on backhoes for alternate use of different tools of several tools mounted on one machine
-
- 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
- E02F9/2221—Control of flow rate; Load sensing arrangements
-
- 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
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
-
- 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
-
- 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
- E02F3/32—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 working downwardly and towards the machine, e.g. with backhoes
- E02F3/325—Backhoes of the miniature type
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62316896A | 1996-03-28 | 1996-03-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9701407A true BR9701407A (pt) | 1998-07-21 |
Family
ID=24497045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9701407A BR9701407A (pt) | 1996-03-28 | 1997-03-21 | Máquina motriz e escavadeira |
Country Status (7)
Country | Link |
---|---|
US (1) | US6029446A (pt) |
EP (1) | EP0798422A3 (pt) |
JP (1) | JPH108506A (pt) |
KR (1) | KR970065907A (pt) |
AU (1) | AU720849B2 (pt) |
BR (1) | BR9701407A (pt) |
CA (1) | CA2195818A1 (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6018895A (en) * | 1996-03-28 | 2000-02-01 | Clark Equipment Company | Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements |
FR2822859B1 (fr) * | 2001-03-29 | 2003-07-18 | Volvo Compact Equipment Sa | Engin de travaux publics polyvalent du type chargeuse- pelleteuse |
US7293494B2 (en) * | 2004-12-23 | 2007-11-13 | Caterpillar Inc. | Expandable hydraulic valve stack |
US7481052B2 (en) * | 2006-04-17 | 2009-01-27 | Clark Equipment Company | Fluid circuit with multiple flows from a series valve |
EP2188456A1 (en) * | 2007-08-13 | 2010-05-26 | Clark Equipment Company | Hydraulic control system for a swiveling construction machine |
CA2757319A1 (en) * | 2008-03-31 | 2009-12-03 | Stephen T. Schmidt | Tool attachments on an auto-powered mobile machine |
CN107326957B (zh) * | 2017-08-10 | 2019-10-18 | 泉州台商投资区忆品茶业有限公司 | 一种基于离心原理的自我漏水铲斗 |
Family Cites Families (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2322740A (en) * | 1940-06-05 | 1943-06-22 | Sullivan Machinery Co | Hydraulically operated apparatus |
US3146593A (en) * | 1960-04-18 | 1964-09-01 | Parker Hannifin Corp | Dual pump system and control valve assembly therefor |
US3279637A (en) * | 1964-09-08 | 1966-10-18 | Robert A Olson | Hydraulic drive control mechanism for vehicles |
GB1189341A (en) * | 1967-04-08 | 1970-04-22 | Dobson Ltd W E & F | Improvements in or relating to Transportable Load-Carrying Appliances |
US3550505A (en) * | 1969-05-07 | 1970-12-29 | Gen Signal Corp | Hydraulic system including two work circuits |
US4030623A (en) * | 1971-12-13 | 1977-06-21 | Caterpillar Tractor Co. | Hydraulic circuitry for an excavator |
US3922855A (en) * | 1971-12-13 | 1975-12-02 | Caterpillar Tractor Co | Hydraulic circuitry for an excavator |
JPS5220088Y2 (pt) * | 1972-07-15 | 1977-05-10 | ||
US3960284A (en) * | 1972-10-02 | 1976-06-01 | American Hoist & Derrick Company | Hydraulic backhoe circuitry |
US3811363A (en) * | 1973-05-10 | 1974-05-21 | Caterpillar Tractor Co | Priority system for series-type hydraulic circuits |
US3916767A (en) * | 1973-06-14 | 1975-11-04 | Case Co J I | Hydraulic control circuit for vehicles |
US3910044A (en) * | 1973-08-24 | 1975-10-07 | Case Co J I | Hydraulic summating system |
FR2250908B3 (pt) * | 1973-11-14 | 1977-08-12 | Massey Ferguson Services Nv | |
DE2440251A1 (de) * | 1974-08-22 | 1976-03-04 | Linde Ag | Schaltung fuer zwei kreislaeufe zur vereinigung der foerderstroeme beider pumpen |
DE2601484C2 (de) * | 1976-01-16 | 1984-07-26 | Robert Bosch Gmbh, 7000 Stuttgart | Steuereinrichtung für mindestens zwei von einer Druckmittelquelle gespeiste hydraulische Verbraucher |
US4024710A (en) * | 1976-03-25 | 1977-05-24 | Koehring Company | Load sensing hydraulic circuit having power matching means |
FR2357764A1 (fr) * | 1976-07-06 | 1978-02-03 | Poclain Sa | Dispositif de commande d'au moins deux organes moteurs a fluide |
US4023364A (en) * | 1976-07-19 | 1977-05-17 | Caterpillar Tractor Co. | Swing flow supplemental travel for an excavator |
US4078681A (en) * | 1976-08-24 | 1978-03-14 | Caterpillar Tractor Co. | Dual pump hydraulic control system with predetermined flow crossover provision |
US4055046A (en) * | 1976-12-22 | 1977-10-25 | Caterpillar Tractor Co. | Control system having override for fluid operated work elements |
JPS5847109Y2 (ja) * | 1977-10-31 | 1983-10-27 | 株式会社クボタ | バックホウ兼ド−ザ作業車の回路構造 |
US4256142A (en) * | 1979-08-20 | 1981-03-17 | Hancock Leonard H | Hydraulic control |
JPS5635806A (en) * | 1979-09-01 | 1981-04-08 | Sanyo Kiki Kk | Compound oil pressure circuit |
US4343151A (en) * | 1980-05-16 | 1982-08-10 | Caterpillar Tractor Co. | Series - parallel selector for steering and implement |
JPS6129813Y2 (pt) * | 1980-07-07 | 1986-09-02 | ||
DE3271311D1 (en) * | 1981-03-03 | 1986-07-03 | Hitachi Construction Machinery | Hydrostatic drive system for civil engineering and construction machinery |
KR870000506B1 (ko) * | 1981-05-02 | 1987-03-12 | 니시모도 후미히라(西元文平) | 토목 건설기계의 유압회로 시스템 |
JPS584035A (ja) * | 1981-06-27 | 1983-01-11 | Hitachi Constr Mach Co Ltd | 油圧作業機械の油圧回路 |
JPS5857504A (ja) * | 1981-10-02 | 1983-04-05 | Hitachi Constr Mach Co Ltd | 油圧回路の制御方法 |
JPS58146631A (ja) * | 1982-02-25 | 1983-09-01 | Hitachi Constr Mach Co Ltd | 油圧作業機械の油圧回路 |
JPS58146630A (ja) * | 1982-02-25 | 1983-09-01 | Hitachi Constr Mach Co Ltd | 油圧作業機械の油圧回路 |
JPS592930A (ja) * | 1982-06-29 | 1984-01-09 | Komatsu Ltd | 油圧駆動式作業車両の油圧回路 |
JPS62107124A (ja) * | 1985-10-15 | 1987-05-18 | Yutani Juko Kk | 建設機械の油圧回路 |
EP0235545B1 (en) * | 1986-01-25 | 1990-09-12 | Hitachi Construction Machinery Co., Ltd. | Hydraulic drive system |
JPH078601Y2 (ja) * | 1987-11-10 | 1995-03-01 | 株式会社クボタ | バックホウの油圧回路 |
JPH01150202U (pt) * | 1988-04-08 | 1989-10-17 | ||
KR920006520B1 (ko) * | 1988-06-17 | 1992-08-07 | 가부시끼가이샤 고오베세이꼬오쇼 | 파우어 셔블의 유체제어기구 |
US4986072A (en) * | 1989-08-31 | 1991-01-22 | Kabushiki Kaisha Kobe Seiko Sho | Hydraulic actuator circuit with flow-joining control |
US5335494A (en) * | 1993-01-21 | 1994-08-09 | Deere & Company | Hydraulic system for reel mower vehicles |
US5471908A (en) * | 1994-02-16 | 1995-12-05 | Case Corporation | Hydraulic system for backhoe |
-
1997
- 1997-01-20 AU AU12245/97A patent/AU720849B2/en not_active Ceased
- 1997-01-23 CA CA002195818A patent/CA2195818A1/en not_active Abandoned
- 1997-01-30 EP EP97101457A patent/EP0798422A3/en not_active Ceased
- 1997-03-06 KR KR1019970007347A patent/KR970065907A/ko not_active Application Discontinuation
- 1997-03-21 BR BR9701407A patent/BR9701407A/pt not_active Application Discontinuation
- 1997-03-28 JP JP9078562A patent/JPH108506A/ja active Pending
- 1997-09-25 US US08/937,919 patent/US6029446A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU1224597A (en) | 1997-10-02 |
JPH108506A (ja) | 1998-01-13 |
AU720849B2 (en) | 2000-06-15 |
CA2195818A1 (en) | 1997-09-29 |
US6029446A (en) | 2000-02-29 |
KR970065907A (ko) | 1997-10-13 |
EP0798422A3 (en) | 1998-02-04 |
EP0798422A2 (en) | 1997-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB34 | Technical and formal requirements: requirement - article 34 of industrial property law | ||
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FA8 | Dismissal: dismissal - article 36, par. 1 of industrial property law |