EP0785312A4 - VIBRATION DEVICE FOR A MACHINE COMPRISING A HYDRAULIC SHOVEL - Google Patents

VIBRATION DEVICE FOR A MACHINE COMPRISING A HYDRAULIC SHOVEL

Info

Publication number
EP0785312A4
EP0785312A4 EP95932957A EP95932957A EP0785312A4 EP 0785312 A4 EP0785312 A4 EP 0785312A4 EP 95932957 A EP95932957 A EP 95932957A EP 95932957 A EP95932957 A EP 95932957A EP 0785312 A4 EP0785312 A4 EP 0785312A4
Authority
EP
European Patent Office
Prior art keywords
vibrating device
hydraulic shovel
operating machine
shovel
operating
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Withdrawn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
EP95932957A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0785312A1 (en
Inventor
Shinji Tomita
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Publication of EP0785312A1 publication Critical patent/EP0785312A1/en
Publication of EP0785312A4 publication Critical patent/EP0785312A4/en
Withdrawn legal-status Critical Current

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
    • E02F9/24—Safety devices, e.g. for preventing overload
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/12—Fluid oscillators or pulse generators
    • 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
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • 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
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/221—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for generating actuator vibration
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Operation Control Of Excavators (AREA)
  • Shovels (AREA)
  • Fluid-Pressure Circuits (AREA)
EP95932957A 1994-10-05 1995-10-03 VIBRATION DEVICE FOR A MACHINE COMPRISING A HYDRAULIC SHOVEL Withdrawn EP0785312A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP264433/94 1994-10-05
JP26443394A JP3562730B2 (ja) 1994-10-05 1994-10-05 油圧ショベルの作業機振動装置
PCT/JP1995/002010 WO1996011306A1 (fr) 1994-10-05 1995-10-03 Dispositif a vibrations pour machine comportant une pelle hydraulique

Publications (2)

Publication Number Publication Date
EP0785312A1 EP0785312A1 (en) 1997-07-23
EP0785312A4 true EP0785312A4 (en) 1998-01-28

Family

ID=17403125

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95932957A Withdrawn EP0785312A4 (en) 1994-10-05 1995-10-03 VIBRATION DEVICE FOR A MACHINE COMPRISING A HYDRAULIC SHOVEL

Country Status (5)

Country Link
EP (1) EP0785312A4 (zh)
JP (1) JP3562730B2 (zh)
KR (1) KR0161616B1 (zh)
CN (1) CN1159843A (zh)
WO (1) WO1996011306A1 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100328217B1 (ko) * 1996-04-30 2002-06-26 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 유압식건설기계의자동진동장치및방법
EP1813728A4 (en) * 2004-11-17 2014-09-17 Komatsu Mfg Co Ltd SWIVEL CONTROL DEVICE AND CONSTRUCTION MACHINE
CN103882902A (zh) * 2014-03-12 2014-06-25 中国人民解放军63983部队 嵌入式自主振动挖掘装置控制***
CN104674866A (zh) * 2015-01-30 2015-06-03 福建农林大学 一种振幅和频率可调的振动挖掘机
JP7171317B2 (ja) * 2018-08-30 2022-11-15 日立建機株式会社 作業機械
CN114197568B (zh) * 2021-12-17 2024-06-28 无锡广泰凿岩设备有限公司 一种液驱自动振动控制器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5693922A (en) * 1979-12-25 1981-07-29 Yoshino Shusaku Pile driver-extractor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0749051Y2 (ja) * 1987-10-27 1995-11-13 三陽機器株式会社 作業機のアタッチメントの駆動用油圧装置
JP3126571B2 (ja) * 1993-11-12 2001-01-22 帝人製機株式会社 土木建設機械の作業シリンダ用流体回路
JPH07158616A (ja) * 1993-12-07 1995-06-20 Teijin Seiki Co Ltd 流体シリンダ制御装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5693922A (en) * 1979-12-25 1981-07-29 Yoshino Shusaku Pile driver-extractor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 005, no. 170 (M - 094) 29 October 1981 (1981-10-29) *
See also references of WO9611306A1 *

Also Published As

Publication number Publication date
EP0785312A1 (en) 1997-07-23
JP3562730B2 (ja) 2004-09-08
WO1996011306A1 (fr) 1996-04-18
KR0161616B1 (ko) 1998-12-15
KR960014552A (ko) 1996-05-22
CN1159843A (zh) 1997-09-17
JPH08105077A (ja) 1996-04-23

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