EP0879920B1 - Battery driven construction machine - Google Patents
Battery driven construction machine Download PDFInfo
- Publication number
- EP0879920B1 EP0879920B1 EP98304097A EP98304097A EP0879920B1 EP 0879920 B1 EP0879920 B1 EP 0879920B1 EP 98304097 A EP98304097 A EP 98304097A EP 98304097 A EP98304097 A EP 98304097A EP 0879920 B1 EP0879920 B1 EP 0879920B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- battery
- construction machine
- hydraulic pump
- working oil
- electric motor
- 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 - Lifetime
Links
Images
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
- E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
- E02F9/2062—Control of propulsion units
- E02F9/207—Control of propulsion units of the type electric propulsion units, e.g. electric motors or generators
-
- 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
-
- 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
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Fluid-Pressure Circuits (AREA)
Description
Claims (9)
- A battery-driven construction machine, comprising:a battery body arranged at the rear of an upper rotating body, said battery body comprising a plurality of batteries;an electric motor arranged forwardly of and in the vicinity of said battery body;a hydraulic pump connected to said electric motor;a working oil tank arranged in the vicinity of said hydraulic pump; anda directional control valve for an actuator arranged in the vicinity of said hydraulic pump.
- The battery-driven construction machine according to claim 1, wherein said electric motor and said hydraulic pump are arranged above said working oil tank.
- The battery-driven construction machine according to claim 1 or 2, wherein said upper rotating body has a top cover for opening the upper portion of said battery body, said top cover capable of totally opening the upper portion of at least a battery liquid replenishing port of said battery;
- The battery-driven construction machine according to claim 1 or 2, wherein said upper rotating body has a rear cover for opening the rear portion of said battery body.
- The battery-driven construction machine according to claim 4, wherein said battery body is arranged movably in a horizontal direction.
- The battery-driven construction machine according to claim 1 or 2, wherein said upper rotating body has a side cover for opening the side of said upper rotating body, at least the side of said electric motor being opened by said side cover.
- The battery-driven construction machine according to claim 1 or 2, wherein said electric motor is mounted on said working oil tank through buffer members.
- The battery-driven construction machine according to claim 1 or 2, further comprising:a connecting frame for integrally connecting at least said electric motor, said hydraulic pump, and said working oil tank.
- The battery-driven construction machine according to claim 1 or 2, further comprising:a suction pipe for connecting a suction port of said hydraulic pump and said working oil tank; anda bend portion for an oil reservoir formed in the midst of said suction pipe, said bend portion being formed at a position higher than said suction port.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9150056A JPH10317429A (en) | 1997-05-23 | 1997-05-23 | Battery-driven construction machine |
JP150056/97 | 1997-05-23 | ||
JP15005697 | 1997-05-23 | ||
JP187741/97 | 1997-06-27 | ||
JP9187741A JPH1121947A (en) | 1997-06-27 | 1997-06-27 | Battery-driven construction machine |
JP18774197 | 1997-06-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0879920A2 EP0879920A2 (en) | 1998-11-25 |
EP0879920A3 EP0879920A3 (en) | 1999-07-07 |
EP0879920B1 true EP0879920B1 (en) | 2005-08-24 |
Family
ID=26479774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98304097A Expired - Lifetime EP0879920B1 (en) | 1997-05-23 | 1998-05-22 | Battery driven construction machine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0879920B1 (en) |
KR (1) | KR100261860B1 (en) |
DE (1) | DE69831285T2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8100210B2 (en) | 2006-02-07 | 2012-01-24 | Takeuchi Mfg. Co., Ltd | Electrically driven industrial vehicle |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001064997A (en) * | 1999-08-26 | 2001-03-13 | Komatsu Ltd | Cabin in working vehicle |
EP1985767B1 (en) * | 2006-02-07 | 2017-03-22 | Takeuchi MFG.Co.,Ltd. | Electrically-driven industrial vehicle |
JP2007284873A (en) | 2006-04-12 | 2007-11-01 | Takeuchi Seisakusho:Kk | Work vehicle |
ITBO20070745A1 (en) * | 2007-11-08 | 2009-05-09 | Hinowa S P A | MINIDUMPER |
JP2010270555A (en) * | 2009-05-25 | 2010-12-02 | Kobelco Contstruction Machinery Ltd | Frame for working machine |
JP5338479B2 (en) * | 2009-05-25 | 2013-11-13 | コベルコ建機株式会社 | Hybrid work machine |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4573319A (en) * | 1981-08-10 | 1986-03-04 | Clark Equipment Company | Vehicle hydraulic system with single pump |
US4761954A (en) * | 1987-03-16 | 1988-08-09 | Dynamic Hydraulic Systems, Inc. | Fork-lift system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH076217B2 (en) * | 1987-10-09 | 1995-01-30 | 日立建機株式会社 | Full swing work machine |
DE69603210T2 (en) * | 1995-02-17 | 2000-01-20 | Kubota Kk | Bucket excavator with a hood to which the driver's seat is attached |
JP3572719B2 (en) * | 1995-05-16 | 2004-10-06 | コベルコ建機株式会社 | Hydraulic working machine |
JP3030242B2 (en) * | 1995-11-28 | 2000-04-10 | 新キャタピラー三菱株式会社 | Construction machinery |
US5809779A (en) * | 1996-06-17 | 1998-09-22 | Bruso; Bruce L. | Auxiliary hydraulic power unit |
-
1998
- 1998-05-22 EP EP98304097A patent/EP0879920B1/en not_active Expired - Lifetime
- 1998-05-22 DE DE69831285T patent/DE69831285T2/en not_active Expired - Lifetime
- 1998-05-23 KR KR1019980018658A patent/KR100261860B1/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4573319A (en) * | 1981-08-10 | 1986-03-04 | Clark Equipment Company | Vehicle hydraulic system with single pump |
US4761954A (en) * | 1987-03-16 | 1988-08-09 | Dynamic Hydraulic Systems, Inc. | Fork-lift system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8100210B2 (en) | 2006-02-07 | 2012-01-24 | Takeuchi Mfg. Co., Ltd | Electrically driven industrial vehicle |
Also Published As
Publication number | Publication date |
---|---|
DE69831285T2 (en) | 2006-06-08 |
KR19980087314A (en) | 1998-12-05 |
KR100261860B1 (en) | 2000-07-15 |
DE69831285D1 (en) | 2005-09-29 |
EP0879920A2 (en) | 1998-11-25 |
EP0879920A3 (en) | 1999-07-07 |
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