EP2700752A4 - BOOM FOR A CONSTRUCTION MACHINE - Google Patents

BOOM FOR A CONSTRUCTION MACHINE

Info

Publication number
EP2700752A4
EP2700752A4 EP11863797.4A EP11863797A EP2700752A4 EP 2700752 A4 EP2700752 A4 EP 2700752A4 EP 11863797 A EP11863797 A EP 11863797A EP 2700752 A4 EP2700752 A4 EP 2700752A4
Authority
EP
European Patent Office
Prior art keywords
boom
construction machine
construction
machine
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Withdrawn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
EP11863797.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2700752A1 (en
Inventor
Takeshi Takahashi
Atsushi Hamada
Takayuki Shimodaira
Hikaru Yamamoto
Makoto Sugaya
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of EP2700752A1 publication Critical patent/EP2700752A1/en
Publication of EP2700752A4 publication Critical patent/EP2700752A4/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Withdrawn legal-status Critical Current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
EP11863797.4A 2011-04-20 2011-04-20 BOOM FOR A CONSTRUCTION MACHINE Withdrawn EP2700752A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/059748 WO2012144037A1 (ja) 2011-04-20 2011-04-20 建設機械用ブーム

Publications (2)

Publication Number Publication Date
EP2700752A1 EP2700752A1 (en) 2014-02-26
EP2700752A4 true EP2700752A4 (en) 2014-12-31

Family

ID=47041187

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11863797.4A Withdrawn EP2700752A4 (en) 2011-04-20 2011-04-20 BOOM FOR A CONSTRUCTION MACHINE

Country Status (5)

Country Link
US (1) US20140056677A1 (zh)
EP (1) EP2700752A4 (zh)
JP (1) JP5592994B2 (zh)
CN (1) CN103403263B (zh)
WO (1) WO2012144037A1 (zh)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9200424B2 (en) * 2011-09-20 2015-12-01 Deere & Company Boom apparatus with sandwiched knuckle body
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
JP6232643B2 (ja) * 2014-06-05 2017-11-22 日立建機株式会社 建設機械用ブーム
JP6301754B2 (ja) * 2014-06-26 2018-03-28 株式会社神戸製鋼所 板材及びこれを備えた建設機械のアタッチメント並びにアタッチメントの製造方法
JP6305846B2 (ja) * 2014-06-26 2018-04-04 株式会社神戸製鋼所 アタッチメント構成部材及びこれを備えた建設機械のアタッチメント並びにアタッチメントの製造方法
JP2016089375A (ja) * 2014-10-30 2016-05-23 日立建機株式会社 建設機械用ブーム
JP6721432B2 (ja) * 2016-06-27 2020-07-15 株式会社小松製作所 油圧ショベルの作業機、および油圧ショベルの作業機の製造方法
US10072392B2 (en) * 2016-09-29 2018-09-11 Deere & Company Boom foot design with protruding flanges
JP6756567B2 (ja) * 2016-09-30 2020-09-16 株式会社小松製作所 作業機用の箱形構造体
DE102017121518A1 (de) * 2017-09-15 2019-03-21 Liebherr-France Sas Baggerausleger und Bagger
DE102017121516A1 (de) * 2017-09-15 2019-03-21 Liebherr-France Sas Baggerausleger und Bagger
CN108678046A (zh) * 2018-05-31 2018-10-19 马鞍山松鹤信息科技有限公司 一种低应力集中的挖掘机动臂
CN108425388A (zh) * 2018-05-31 2018-08-21 马鞍山松鹤信息科技有限公司 一种挖掘机动臂
CN108547340A (zh) * 2018-05-31 2018-09-18 马鞍山松鹤信息科技有限公司 一种高强度挖掘机动臂
CN109537656A (zh) * 2018-11-26 2019-03-29 中联重科股份有限公司 动臂、动臂的制造方法以及挖掘机
US10450717B1 (en) * 2019-04-12 2019-10-22 Deere & Company Attachment assembly for a work vehicle with reinforcement members
CN111704051A (zh) * 2020-06-08 2020-09-25 兴平西铁养路机械有限公司 起重机悬臂结构及其组装工艺
CN112810732B (zh) * 2021-02-07 2022-05-17 中联重科股份有限公司 泵车底架的上箱体制造方法
CN116100184B (zh) * 2023-04-12 2023-08-01 苏州美达王钢铁制品有限公司 一种分体式动臂的拼焊方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5854456U (ja) * 1981-10-09 1983-04-13 日立建機株式会社 油圧シヨベル用ブ−ム
JP2001115477A (ja) * 1999-10-21 2001-04-24 Shin Caterpillar Mitsubishi Ltd 作業機械の作業腕構造
WO2004053241A1 (de) * 2002-12-06 2004-06-24 Terex Germany Gmbh & Co. Kg Profil für tieflöffel- und ladeschaufelausrüstungen eines baggers sowie verfahren zur herstellung desselben
WO2007090452A1 (de) * 2006-02-09 2007-08-16 Cnh Baumaschinen Gmbh Tragarm für eine arbeitsmaschine
JP2010150775A (ja) * 2008-12-24 2010-07-08 Sumitomo (Shi) Construction Machinery Co Ltd 建設機械のアタッチメント構造

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997028315A1 (fr) * 1996-01-31 1997-08-07 Hitachi Construction Machinery Co., Ltd. Pelle hydraulique
JP2005029984A (ja) * 2003-07-08 2005-02-03 Hitachi Constr Mach Co Ltd 建設機械用作業腕及びその製造方法
JP4938637B2 (ja) * 2007-12-21 2012-05-23 日立建機株式会社 平板材間の溶接継手および箱型構造体間の溶接継手

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5854456U (ja) * 1981-10-09 1983-04-13 日立建機株式会社 油圧シヨベル用ブ−ム
JP2001115477A (ja) * 1999-10-21 2001-04-24 Shin Caterpillar Mitsubishi Ltd 作業機械の作業腕構造
WO2004053241A1 (de) * 2002-12-06 2004-06-24 Terex Germany Gmbh & Co. Kg Profil für tieflöffel- und ladeschaufelausrüstungen eines baggers sowie verfahren zur herstellung desselben
WO2007090452A1 (de) * 2006-02-09 2007-08-16 Cnh Baumaschinen Gmbh Tragarm für eine arbeitsmaschine
JP2010150775A (ja) * 2008-12-24 2010-07-08 Sumitomo (Shi) Construction Machinery Co Ltd 建設機械のアタッチメント構造

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012144037A1 *

Also Published As

Publication number Publication date
JPWO2012144037A1 (ja) 2014-07-28
CN103403263B (zh) 2015-06-10
CN103403263A (zh) 2013-11-20
JP5592994B2 (ja) 2014-09-17
US20140056677A1 (en) 2014-02-27
WO2012144037A1 (ja) 2012-10-26
EP2700752A1 (en) 2014-02-26

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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A4 Supplementary search report drawn up and despatched

Effective date: 20141203

RIC1 Information provided on ipc code assigned before grant

Ipc: E02F 3/38 20060101AFI20141127BHEP

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