EP1387012A3 - Boom structure of construction machine and manufacturing method - Google Patents
Boom structure of construction machine and manufacturing method Download PDFInfo
- Publication number
- EP1387012A3 EP1387012A3 EP03254641A EP03254641A EP1387012A3 EP 1387012 A3 EP1387012 A3 EP 1387012A3 EP 03254641 A EP03254641 A EP 03254641A EP 03254641 A EP03254641 A EP 03254641A EP 1387012 A3 EP1387012 A3 EP 1387012A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- manufacturing
- boom structure
- construction machine
- boom
- straight portion
- 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.)
- Withdrawn
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
- E02F3/28—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
- E02F3/36—Component parts
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Body Structure For Vehicles (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002226256 | 2002-08-02 | ||
JP2002226256 | 2002-08-02 | ||
JP2002262198A JP2004124357A (ja) | 2002-08-02 | 2002-09-09 | ブーム構造およびブーム部材の製造方法 |
JP2002262198 | 2002-09-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1387012A2 EP1387012A2 (en) | 2004-02-04 |
EP1387012A3 true EP1387012A3 (en) | 2004-04-07 |
Family
ID=30117513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03254641A Withdrawn EP1387012A3 (en) | 2002-08-02 | 2003-07-23 | Boom structure of construction machine and manufacturing method |
Country Status (4)
Country | Link |
---|---|
US (1) | US20040161326A1 (ja) |
EP (1) | EP1387012A3 (ja) |
JP (1) | JP2004124357A (ja) |
CN (1) | CN1480596A (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7670099B2 (en) | 2003-06-30 | 2010-03-02 | Hitachi Construction Machinery Co., Ltd. | Working arm for construction machine and method of producing the same |
JP4170962B2 (ja) * | 2004-07-22 | 2008-10-22 | 日立建機株式会社 | フロント装置 |
JP4641800B2 (ja) * | 2005-01-05 | 2011-03-02 | 株式会社クボタ | ブーム |
CN101287672A (zh) * | 2005-10-12 | 2008-10-15 | 帕尔芬杰尔股份有限公司 | 具有加强板的起重机 |
WO2008133244A1 (ja) | 2007-04-25 | 2008-11-06 | Komatsu Ltd. | 作業機ブーム |
US8584362B2 (en) * | 2008-11-06 | 2013-11-19 | Wayne Industrial Holdings, Llc | Three piece lift arm apparatus and method |
JP5470576B2 (ja) * | 2009-06-23 | 2014-04-16 | 株式会社神戸製鋼所 | 油圧ショベルのアタッチメント |
WO2011024741A1 (ja) * | 2009-08-25 | 2011-03-03 | 住友金属工業株式会社 | 屈曲部材、その製造装置および製造方法 |
JP5465790B2 (ja) * | 2010-11-15 | 2014-04-09 | 日立建機株式会社 | 建設機械の旋回フレーム |
US9290363B2 (en) | 2011-07-21 | 2016-03-22 | Manitowoc Crane Companies, Llc | Tailor welded panel beam for construction machine and method of manufacturing |
ITMI20120206A1 (it) * | 2012-02-14 | 2013-08-15 | Cifa Spa | Segmento di un braccio articolato e braccio articolato comprendente detto segmento |
KR101943142B1 (ko) * | 2012-02-16 | 2019-04-17 | 히다찌 겐끼 가부시키가이샤 | 건설 기계용 아암 |
JP6046024B2 (ja) * | 2013-11-19 | 2016-12-14 | キャタピラー エス エー アール エル | 建設機械のブーム |
CN105584943A (zh) * | 2016-01-15 | 2016-05-18 | 三一帕尔菲格特种车辆装备有限公司 | 一种起重臂和起重机 |
CN105804134A (zh) * | 2016-05-12 | 2016-07-27 | 华若延 | 一种建筑机械的悬臂结构及其制造方法 |
JP6998148B2 (ja) * | 2017-08-04 | 2022-01-18 | 株式会社竹内製作所 | 筒状構造体および作業装置 |
DE102017223240A1 (de) * | 2017-12-19 | 2019-06-19 | Putzmeister Engineering Gmbh | Betonpumpen-Mastarm-Segment mit in Längsrichtung variabler Blechstärke und Verfahren zum Herstellen eines solchen Betonpumpe-Mastarm-Segments |
EP3553230A1 (en) * | 2018-04-11 | 2019-10-16 | Deere & Company | Hybrid loader boom arm assembly |
US10697148B2 (en) | 2018-04-11 | 2020-06-30 | Deere & Company | Hybrid loader boom arm assembly |
US10822768B2 (en) | 2018-04-11 | 2020-11-03 | Deere & Company | Hybrid loader boom arm assembly |
US10662609B2 (en) | 2018-04-11 | 2020-05-26 | Deere & Company | Hybrid loader boom arm assembly |
CN109930639B (zh) * | 2019-04-16 | 2024-02-13 | 徐州徐工矿业机械有限公司 | 一种挖掘机动臂及挖掘机 |
CN111173287B (zh) * | 2020-03-10 | 2024-05-28 | 三一汽车制造有限公司 | 臂架和作业设备 |
DE102021104701A1 (de) * | 2021-02-26 | 2022-09-01 | Putzmeister Engineering Gmbh | Mastarm-Segment und Verfahren zum Herstellen eines Mastarm-Segments |
DE202023101065U1 (de) * | 2023-03-07 | 2024-06-10 | Liebherr-Mischtechnik Gmbh | Verteilermastarm |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1917666A (en) * | 1931-02-21 | 1933-07-11 | Koehring Co | Welded dipper stick construction |
CH445397A (de) * | 1963-12-18 | 1967-10-15 | Schaeff Kg Maschfab Karl | Hydraulischer Tieflöffelbagger zum Anbau an ein Trägerfahrzeug |
DE2317595A1 (de) * | 1973-04-07 | 1974-10-31 | Kaspar Klaus | Teleskopierbare einheit, insbesondere fuer hebezeuge |
US4275542A (en) * | 1978-12-29 | 1981-06-30 | Poclain | Welded structure of a power arm |
JPS5711731A (en) * | 1980-06-25 | 1982-01-21 | Komatsu Ltd | Production of curved boom |
JPH0913419A (ja) * | 1995-07-04 | 1997-01-14 | Yanmar Diesel Engine Co Ltd | バックホーの作業腕構造 |
JPH09165773A (ja) * | 1995-12-15 | 1997-06-24 | Komatsu Ltd | 油圧ショベルの作業機 |
JPH11247216A (ja) * | 1998-03-04 | 1999-09-14 | Komatsu Ltd | 建設機械の作業機 |
JP2000199240A (ja) * | 1998-12-28 | 2000-07-18 | Yutani Heavy Ind Ltd | 油圧ショベルのブ―ム構造 |
JP2001081810A (ja) * | 1999-09-13 | 2001-03-27 | Kubota Corp | 作業機のブーム |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4214923A (en) * | 1978-10-04 | 1980-07-29 | Caterpillar Tractor Co. | Method for treating metal |
-
2002
- 2002-09-09 JP JP2002262198A patent/JP2004124357A/ja active Pending
-
2003
- 2003-07-22 US US10/623,555 patent/US20040161326A1/en not_active Abandoned
- 2003-07-23 EP EP03254641A patent/EP1387012A3/en not_active Withdrawn
- 2003-08-01 CN CNA031525326A patent/CN1480596A/zh active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1917666A (en) * | 1931-02-21 | 1933-07-11 | Koehring Co | Welded dipper stick construction |
CH445397A (de) * | 1963-12-18 | 1967-10-15 | Schaeff Kg Maschfab Karl | Hydraulischer Tieflöffelbagger zum Anbau an ein Trägerfahrzeug |
DE2317595A1 (de) * | 1973-04-07 | 1974-10-31 | Kaspar Klaus | Teleskopierbare einheit, insbesondere fuer hebezeuge |
US4275542A (en) * | 1978-12-29 | 1981-06-30 | Poclain | Welded structure of a power arm |
JPS5711731A (en) * | 1980-06-25 | 1982-01-21 | Komatsu Ltd | Production of curved boom |
JPH0913419A (ja) * | 1995-07-04 | 1997-01-14 | Yanmar Diesel Engine Co Ltd | バックホーの作業腕構造 |
JPH09165773A (ja) * | 1995-12-15 | 1997-06-24 | Komatsu Ltd | 油圧ショベルの作業機 |
JPH11247216A (ja) * | 1998-03-04 | 1999-09-14 | Komatsu Ltd | 建設機械の作業機 |
JP2000199240A (ja) * | 1998-12-28 | 2000-07-18 | Yutani Heavy Ind Ltd | 油圧ショベルのブ―ム構造 |
JP2001081810A (ja) * | 1999-09-13 | 2001-03-27 | Kubota Corp | 作業機のブーム |
Non-Patent Citations (6)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 006, no. 071 (M - 126) 6 May 1982 (1982-05-06) * |
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 05 30 May 1997 (1997-05-30) * |
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 10 31 October 1997 (1997-10-31) * |
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 14 22 December 1999 (1999-12-22) * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 10 17 November 2000 (2000-11-17) * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 20 10 July 2001 (2001-07-10) * |
Also Published As
Publication number | Publication date |
---|---|
EP1387012A2 (en) | 2004-02-04 |
CN1480596A (zh) | 2004-03-10 |
JP2004124357A (ja) | 2004-04-22 |
US20040161326A1 (en) | 2004-08-19 |
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17P | Request for examination filed |
Effective date: 20040929 |
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AKX | Designation fees paid |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
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Effective date: 20060518 |