JPWO2021199965A1 - - Google Patents

Info

Publication number
JPWO2021199965A1
JPWO2021199965A1 JP2022511731A JP2022511731A JPWO2021199965A1 JP WO2021199965 A1 JPWO2021199965 A1 JP WO2021199965A1 JP 2022511731 A JP2022511731 A JP 2022511731A JP 2022511731 A JP2022511731 A JP 2022511731A JP WO2021199965 A1 JPWO2021199965 A1 JP WO2021199965A1
Authority
JP
Japan
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.)
Granted
Application number
JP2022511731A
Other versions
JP7166487B2 (ja
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 filed Critical
Publication of JPWO2021199965A1 publication Critical patent/JPWO2021199965A1/ja
Application granted granted Critical
Publication of JP7166487B2 publication Critical patent/JP7166487B2/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
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices 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
    • E02F3/28—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
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
    • 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
    • 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
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/47—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets
    • 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
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
    • E02F3/4135—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device with grabs mounted directly on a boom
    • 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
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/47—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets
    • E02F3/475—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets for making foundation slots
    • 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
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/58—Component parts
    • 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
    • E02F9/14—Booms only for booms with cable suspension arrangements; Cable suspensions
    • 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
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2282—Systems using center bypass type changeover valves
    • 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)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Operation Control Of Excavators (AREA)
JP2022511731A 2020-03-31 2021-03-09 深礎掘削機 Active JP7166487B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2020063331 2020-03-31
JP2020063338 2020-03-31
JP2020063338 2020-03-31
JP2020063331 2020-03-31
PCT/JP2021/009328 WO2021199965A1 (ja) 2020-03-31 2021-03-09 深礎掘削機

Publications (2)

Publication Number Publication Date
JPWO2021199965A1 true JPWO2021199965A1 (ja) 2021-10-07
JP7166487B2 JP7166487B2 (ja) 2022-11-07

Family

ID=77928567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022511731A Active JP7166487B2 (ja) 2020-03-31 2021-03-09 深礎掘削機

Country Status (6)

Country Link
US (1) US20220267984A1 (ja)
EP (1) EP4130392A4 (ja)
JP (1) JP7166487B2 (ja)
KR (1) KR102560265B1 (ja)
CN (1) CN114222842B (ja)
WO (1) WO2021199965A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023145819A1 (ja) * 2022-01-27 2023-08-03 日立建機株式会社 深礎掘削機
JP7467732B1 (ja) 2023-05-30 2024-04-15 大成建設株式会社 搬送装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52108602A (en) * 1976-03-09 1977-09-12 Minami Tetsukoushiyo Kk Clamshell attachment for shovel
JPS52131602A (en) * 1976-04-28 1977-11-04 Hitachi Construction Machinery Rope type clammshell bucket operating device in hydraulic shovel
JPS56159434A (en) * 1980-05-12 1981-12-08 Ryutaro Yoritomi Excavating machine with clamshell backet
JPS58176157U (ja) * 1982-06-24 1983-11-25 株式会社南鉄工所 シヨベル用クラムシエルアタツチメント

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS537043B2 (ja) * 1974-06-06 1978-03-14
JPS5736373A (ja) 1980-08-14 1982-02-27 Tokyo Electric Co Ltd Raberuokuriseigyosochi
JPS58176157A (ja) * 1982-04-09 1983-10-15 ダイセル化学工業株式会社 高粘度生コンクリ−ト
JPH09286588A (ja) * 1996-02-19 1997-11-04 Minami Tekkosho:Kk 開閉式作業具
JP3866962B2 (ja) * 2001-11-12 2007-01-10 コベルコ建機株式会社 深穴作業機
CN100567663C (zh) * 2007-04-19 2009-12-09 安徽省六安恒源机械有限公司 移动液压抓斗式清污机
MX2012001969A (es) 2009-08-20 2012-03-29 Bayer Cropscience Ag Derivados de 3-[1-(3-haloalquil)-triazolil]-fenil-sulfuro como acaricidas e insecticidas.
JP5873840B2 (ja) * 2013-06-14 2016-03-01 日立建機株式会社 多段アームの油圧装置および深掘り掘削機
CN104018541B (zh) * 2014-06-18 2016-07-06 上海工程技术大学 一种重力式液压破碎锤
CN210193255U (zh) * 2019-07-26 2020-03-27 青岛嘉恒建设集团有限公司 一种建筑机械起重臂

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52108602A (en) * 1976-03-09 1977-09-12 Minami Tetsukoushiyo Kk Clamshell attachment for shovel
JPS52131602A (en) * 1976-04-28 1977-11-04 Hitachi Construction Machinery Rope type clammshell bucket operating device in hydraulic shovel
JPS5736373B2 (ja) * 1976-04-28 1982-08-03
JPS56159434A (en) * 1980-05-12 1981-12-08 Ryutaro Yoritomi Excavating machine with clamshell backet
JPS58176157U (ja) * 1982-06-24 1983-11-25 株式会社南鉄工所 シヨベル用クラムシエルアタツチメント

Also Published As

Publication number Publication date
CN114222842B (zh) 2023-05-09
US20220267984A1 (en) 2022-08-25
KR102560265B1 (ko) 2023-07-28
KR20220028122A (ko) 2022-03-08
CN114222842A (zh) 2022-03-22
EP4130392A1 (en) 2023-02-08
JP7166487B2 (ja) 2022-11-07
WO2021199965A1 (ja) 2021-10-07
EP4130392A4 (en) 2024-04-17

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