CN111801476B - 工程机械 - Google Patents

工程机械 Download PDF

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Publication number
CN111801476B
CN111801476B CN201980016668.6A CN201980016668A CN111801476B CN 111801476 B CN111801476 B CN 111801476B CN 201980016668 A CN201980016668 A CN 201980016668A CN 111801476 B CN111801476 B CN 111801476B
Authority
CN
China
Prior art keywords
boom
cylinder
end side
pin
connecting pin
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.)
Active
Application number
CN201980016668.6A
Other languages
English (en)
Chinese (zh)
Other versions
CN111801476A (zh
Inventor
高桥香织
多田茂也
饭田勉
江田润一
加庭启充
渡边雅彦
平田和也
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 CN111801476A publication Critical patent/CN111801476A/zh
Application granted granted Critical
Publication of CN111801476B publication Critical patent/CN111801476B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/08—Wrecking of buildings
    • E04G23/082—Wrecking of buildings using shears, breakers, jaws and the like
    • 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
    • E02F3/301—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 with more than two arms (boom included), e.g. two-part boom with additional dipper-arm
    • 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
    • E02F3/302—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 with an additional link
    • 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
    • E02F3/369—Devices to connect parts of a boom or an arm
    • 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
    • E02F3/965—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Shovels (AREA)
  • Working Measures On Existing Buildindgs (AREA)
CN201980016668.6A 2018-09-28 2019-05-21 工程机械 Active CN111801476B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018-185207 2018-09-28
JP2018185207A JP7088801B2 (ja) 2018-09-28 2018-09-28 作業機械
PCT/JP2019/020100 WO2020066120A1 (ja) 2018-09-28 2019-05-21 作業機械

Publications (2)

Publication Number Publication Date
CN111801476A CN111801476A (zh) 2020-10-20
CN111801476B true CN111801476B (zh) 2022-04-05

Family

ID=69949908

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980016668.6A Active CN111801476B (zh) 2018-09-28 2019-05-21 工程机械

Country Status (5)

Country Link
EP (1) EP3859100A4 (ja)
JP (1) JP7088801B2 (ja)
CN (1) CN111801476B (ja)
SG (1) SG11202008412SA (ja)
WO (1) WO2020066120A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7401418B2 (ja) 2020-09-28 2023-12-19 日立建機株式会社 建設機械

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0596154U (ja) * 1992-06-02 1993-12-27 油谷重工株式会社 分割形ブームの輸送時用固定装置
JPH09227073A (ja) * 1996-02-20 1997-09-02 Tadano Ltd 移動式クレーン
JP4492077B2 (ja) * 2003-09-26 2010-06-30 コベルコ建機株式会社 作業機械のブーム及びその組立・分解方法
JP2006274725A (ja) * 2005-03-30 2006-10-12 Shin Caterpillar Mitsubishi Ltd 作業機械
JP4790657B2 (ja) * 2007-04-27 2011-10-12 日立建機株式会社 作業機械のブーム
AT508171A1 (de) * 2009-05-07 2010-11-15 Epsilon Kran Gmbh Kran mit totpunktüberwindung
JP5367645B2 (ja) * 2010-06-10 2013-12-11 日立建機株式会社 作業機
CN102616674A (zh) * 2012-03-28 2012-08-01 李军希 一种折叠结构的吊臂
JP5923028B2 (ja) * 2012-11-19 2016-05-24 日立建機株式会社 作業機の作業用フロントとその輸送方法
DE102014013734A1 (de) * 2014-09-22 2016-03-24 Schwing Gmbh Knickmast
CN105621284A (zh) * 2014-10-31 2016-06-01 无锡晟欧船舶设备有限公司 一种起重机吊臂连接结构

Also Published As

Publication number Publication date
SG11202008412SA (en) 2021-04-29
CN111801476A (zh) 2020-10-20
EP3859100A4 (en) 2022-07-06
EP3859100A1 (en) 2021-08-04
JP2020056157A (ja) 2020-04-09
JP7088801B2 (ja) 2022-06-21
WO2020066120A1 (ja) 2020-04-02

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