JP6560640B2 - 小型油圧ショベル - Google Patents

小型油圧ショベル Download PDF

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Publication number
JP6560640B2
JP6560640B2 JP2016084774A JP2016084774A JP6560640B2 JP 6560640 B2 JP6560640 B2 JP 6560640B2 JP 2016084774 A JP2016084774 A JP 2016084774A JP 2016084774 A JP2016084774 A JP 2016084774A JP 6560640 B2 JP6560640 B2 JP 6560640B2
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JP
Japan
Prior art keywords
accumulator
disposed
hydraulic excavator
small hydraulic
main frame
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
JP2016084774A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017193874A (ja
JP2017193874A5 (enExample
Inventor
圭文 竹林
圭文 竹林
吉田　肇
肇 吉田
和繁 森
和繁 森
夏樹 中村
夏樹 中村
太平 前原
太平 前原
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 Tierra Co Ltd
Original Assignee
Hitachi Construction Machinery Tierra 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
Priority to JP2016084774A priority Critical patent/JP6560640B2/ja
Application filed by Hitachi Construction Machinery Tierra Co Ltd filed Critical Hitachi Construction Machinery Tierra Co Ltd
Priority to EP17785632.5A priority patent/EP3447197B1/en
Priority to CN201780013566.XA priority patent/CN108884665B/zh
Priority to PCT/JP2017/006681 priority patent/WO2017183287A1/ja
Priority to US16/080,387 priority patent/US11142882B2/en
Priority to KR1020187024433A priority patent/KR102081299B1/ko
Publication of JP2017193874A publication Critical patent/JP2017193874A/ja
Publication of JP2017193874A5 publication Critical patent/JP2017193874A5/ja
Application granted granted Critical
Publication of JP6560640B2 publication Critical patent/JP6560640B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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
    • E02F3/325—Backhoes of the miniature type
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • E02F9/0875—Arrangement of valve arrangements on superstructures
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • 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
    • E02F9/16—Cabins, platforms, or the like, for drivers
    • 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
    • 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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • 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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2275—Hoses and supports therefor and protection therefor
    • 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
    • E02F3/963—Arrangements on backhoes for alternate use of different tools
    • E02F3/964—Arrangements on backhoes for alternate use of different tools of several tools mounted on one machine

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)
  • Operation Control Of Excavators (AREA)
JP2016084774A 2016-04-20 2016-04-20 小型油圧ショベル Active JP6560640B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2016084774A JP6560640B2 (ja) 2016-04-20 2016-04-20 小型油圧ショベル
CN201780013566.XA CN108884665B (zh) 2016-04-20 2017-02-22 小型液压挖掘机
PCT/JP2017/006681 WO2017183287A1 (ja) 2016-04-20 2017-02-22 小型油圧ショベル
US16/080,387 US11142882B2 (en) 2016-04-20 2017-02-22 Small hydraulic excavator
EP17785632.5A EP3447197B1 (en) 2016-04-20 2017-02-22 Compact hydraulic shovel
KR1020187024433A KR102081299B1 (ko) 2016-04-20 2017-02-22 소형 유압 셔블

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016084774A JP6560640B2 (ja) 2016-04-20 2016-04-20 小型油圧ショベル

Publications (3)

Publication Number Publication Date
JP2017193874A JP2017193874A (ja) 2017-10-26
JP2017193874A5 JP2017193874A5 (enExample) 2018-10-18
JP6560640B2 true JP6560640B2 (ja) 2019-08-14

Family

ID=60116773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016084774A Active JP6560640B2 (ja) 2016-04-20 2016-04-20 小型油圧ショベル

Country Status (6)

Country Link
US (1) US11142882B2 (enExample)
EP (1) EP3447197B1 (enExample)
JP (1) JP6560640B2 (enExample)
KR (1) KR102081299B1 (enExample)
CN (1) CN108884665B (enExample)
WO (1) WO2017183287A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6754388B2 (ja) * 2018-03-29 2020-09-09 株式会社日立建機ティエラ 小型油圧ショベル
JP7322942B2 (ja) 2019-07-31 2023-08-08 井関農機株式会社 自走式薬剤散布機
IT202100014852A1 (it) * 2021-06-08 2022-12-08 Cnh Ind Italia Spa Assieme idraulico migliorato per sistemi di recupero d'energia idraulica in veicoli da lavoro

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* Cited by examiner, † Cited by third party
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Also Published As

Publication number Publication date
CN108884665B (zh) 2021-05-18
US11142882B2 (en) 2021-10-12
JP2017193874A (ja) 2017-10-26
KR20180108711A (ko) 2018-10-04
EP3447197B1 (en) 2021-01-20
US20200165794A1 (en) 2020-05-28
CN108884665A (zh) 2018-11-23
KR102081299B1 (ko) 2020-02-25
EP3447197A4 (en) 2019-12-18
WO2017183287A1 (ja) 2017-10-26
EP3447197A1 (en) 2019-02-27

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