EP1387012A3 - Boom structure of construction machine and manufacturing method - Google Patents

Boom structure of construction machine and manufacturing method Download PDF

Info

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Withdrawn
Application number
EP03254641A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1387012A2 (en
Inventor
A. c/o Kobelco Construction Machinery Co.Ltd Eita
A c/o Okubo Plant Kobelco Co. Ltd. Fujiwara
T c/o Kobe Corporate Research Labs. Yamaguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kobelco Construction Machinery Co Ltd
Original Assignee
Kobelco Construction Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kobelco Construction Machinery Co Ltd filed Critical Kobelco Construction Machinery Co Ltd
Publication of EP1387012A2 publication Critical patent/EP1387012A2/en
Publication of EP1387012A3 publication Critical patent/EP1387012A3/en
Withdrawn legal-status Critical Current

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)
  • Body Structure For Vehicles (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
EP03254641A 2002-08-02 2003-07-23 Boom structure of construction machine and manufacturing method Withdrawn EP1387012A3 (en)

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 (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3866756B2 (ja) 2003-06-30 2007-01-10 日立建機株式会社 建設機械用作業腕及びその製造方法
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
CN101688382B (zh) * 2007-04-25 2012-08-29 株式会社小松制作所 工作装置大臂
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
WO2012067014A1 (ja) * 2010-11-15 2012-05-24 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
JP5937626B2 (ja) * 2012-02-16 2016-06-22 日立建機株式会社 建設機械用アーム
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
US10697148B2 (en) 2018-04-11 2020-06-30 Deere & Company Hybrid loader boom arm assembly
EP3553231B1 (en) * 2018-04-11 2023-10-11 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

Citations (10)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214923A (en) * 1978-10-04 1980-07-29 Caterpillar Tractor Co. Method for treating metal

Patent Citations (10)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
JP2004124357A (ja) 2004-04-22
US20040161326A1 (en) 2004-08-19
CN1480596A (zh) 2004-03-10

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