JP7547686B2 - 作業機 - Google Patents

作業機 Download PDF

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Publication number
JP7547686B2
JP7547686B2 JP2024509196A JP2024509196A JP7547686B2 JP 7547686 B2 JP7547686 B2 JP 7547686B2 JP 2024509196 A JP2024509196 A JP 2024509196A JP 2024509196 A JP2024509196 A JP 2024509196A JP 7547686 B2 JP7547686 B2 JP 7547686B2
Authority
JP
Japan
Prior art keywords
boss
counterweight
mounting base
boss member
hole
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
JP2024509196A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023182406A1 (de
Inventor
悠哉 ▲辻▼本
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 JPWO2023182406A1 publication Critical patent/JPWO2023182406A1/ja
Application granted granted Critical
Publication of JP7547686B2 publication Critical patent/JP7547686B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02F9/18—Counterweights
    • 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

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)
JP2024509196A 2022-03-23 2023-03-23 作業機 Active JP7547686B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022046570 2022-03-23
JP2022046570 2022-03-23
PCT/JP2023/011401 WO2023182406A1 (ja) 2022-03-23 2023-03-23 作業機

Publications (2)

Publication Number Publication Date
JPWO2023182406A1 JPWO2023182406A1 (de) 2023-09-28
JP7547686B2 true JP7547686B2 (ja) 2024-09-09

Family

ID=88101628

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024509196A Active JP7547686B2 (ja) 2022-03-23 2023-03-23 作業機

Country Status (5)

Country Link
US (1) US20240376689A1 (de)
EP (1) EP4379147A4 (de)
JP (1) JP7547686B2 (de)
CN (1) CN117897536A (de)
WO (1) WO2023182406A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7398422B2 (ja) * 2021-12-03 2023-12-14 株式会社小松製作所 作業機械

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072324A (en) * 1976-08-19 1978-02-07 Caterpillar Tractor Co. Shear pin assembly for counterweights
JPH0163356U (de) * 1987-10-15 1989-04-24
JPH053568Y2 (de) * 1987-10-19 1993-01-28
JP2797790B2 (ja) * 1991-11-20 1998-09-17 日産自動車株式会社 産業車両用カウンタウエイトの取付構造
JPH0633485A (ja) * 1992-07-17 1994-02-08 Hitachi Constr Mach Co Ltd 作業機
JPH0655966U (ja) * 1993-01-19 1994-08-02 日立建機株式会社 建設機械等におけるカウンタウエイトの取り付け装置
JP2922778B2 (ja) 1994-03-29 1999-07-26 日立建機株式会社 作業機のカウンタウエイト脱着装置
JPH09124285A (ja) * 1995-10-27 1997-05-13 Mitsubishi Heavy Ind Ltd 産業機械のウエイト着脱装置
JPH09209407A (ja) * 1996-02-06 1997-08-12 Yutani Heavy Ind Ltd カウンタウエイトの取付方法
JP5449264B2 (ja) * 2011-06-30 2014-03-19 日立建機株式会社 カウンタウエイト脱着装置用油圧回路
CN202370028U (zh) * 2011-11-01 2012-08-08 三一重机有限公司 一种挖掘机及其配重定位结构
JP2015059343A (ja) * 2013-09-19 2015-03-30 コベルコ建機株式会社 作業機械
WO2016072975A1 (en) * 2014-11-04 2016-05-12 Volvo Construction Equipment Ab Push block module for front end of motor graders
JP6497978B2 (ja) * 2015-03-02 2019-04-10 キャタピラー エス エー アール エル カウンタウェイトの移動装置
JP6497736B2 (ja) * 2015-06-18 2019-04-10 キャタピラー エス エー アール エル 建設機械におけるカウンタウエイト支持構造
JP6497737B2 (ja) * 2015-06-18 2019-04-10 キャタピラー エス エー アール エル 建設機械におけるカウンタウエイト支持構造
CN210887394U (zh) * 2019-09-16 2020-06-30 江苏蓝力重工科技有限公司 具有回转快速平稳功能的挖掘机配重机构
JP2021147994A (ja) * 2020-03-16 2021-09-27 日立建機株式会社 作業機械
JP7167077B2 (ja) * 2020-03-16 2022-11-08 日立建機株式会社 作業機械
JP7167076B2 (ja) * 2020-03-16 2022-11-08 日立建機株式会社 作業機械
JP7374031B2 (ja) * 2020-03-23 2023-11-06 日立建機株式会社 作業機械
CN212926240U (zh) * 2020-05-10 2021-04-09 杭州富阳保利铸造有限公司 一种挖掘机配重的固定支架

Also Published As

Publication number Publication date
WO2023182406A1 (ja) 2023-09-28
EP4379147A4 (de) 2025-08-06
CN117897536A (zh) 2024-04-16
EP4379147A1 (de) 2024-06-05
JPWO2023182406A1 (de) 2023-09-28
US20240376689A1 (en) 2024-11-14

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