TWI259112B - Double-acting hydraulic actuator - Google Patents

Double-acting hydraulic actuator Download PDF

Info

Publication number
TWI259112B
TWI259112B TW092136730A TW92136730A TWI259112B TW I259112 B TWI259112 B TW I259112B TW 092136730 A TW092136730 A TW 092136730A TW 92136730 A TW92136730 A TW 92136730A TW I259112 B TWI259112 B TW I259112B
Authority
TW
Taiwan
Prior art keywords
feed
valve
passage
return
channel
Prior art date
Application number
TW092136730A
Other languages
English (en)
Chinese (zh)
Other versions
TW200418589A (en
Inventor
Kiyoshi Kimura
Original Assignee
Ogura Kabushiki Kaisha
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 Ogura Kabushiki Kaisha filed Critical Ogura Kabushiki Kaisha
Publication of TW200418589A publication Critical patent/TW200418589A/zh
Application granted granted Critical
Publication of TWI259112B publication Critical patent/TWI259112B/zh

Links

Classifications

    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/15—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor with special provision for automatic return
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2053—Structural details of heat elements, e.g. structure of roller or belt, eddy current, induction heating
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/18—Combined units comprising both motor and pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/002—Drive of the tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Hydraulic Motors (AREA)
TW092136730A 2003-01-06 2003-12-24 Double-acting hydraulic actuator TWI259112B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003000507A JP3902766B2 (ja) 2003-01-06 2003-01-06 複動型油圧作動装置

Publications (2)

Publication Number Publication Date
TW200418589A TW200418589A (en) 2004-10-01
TWI259112B true TWI259112B (en) 2006-08-01

Family

ID=30768066

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092136730A TWI259112B (en) 2003-01-06 2003-12-24 Double-acting hydraulic actuator

Country Status (5)

Country Link
JP (1) JP3902766B2 (sv)
KR (1) KR100537154B1 (sv)
DE (1) DE10361362B4 (sv)
SE (1) SE525756C2 (sv)
TW (1) TWI259112B (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6173872B2 (ja) * 2013-10-17 2017-08-02 株式会社オグラ 複動式油圧作動装置
JP6709723B2 (ja) * 2016-11-28 2020-06-17 マクセルイズミ株式会社 電動工具
WO2018127975A1 (ja) * 2017-01-06 2018-07-12 株式会社オグラ 油圧作動装置およびトルク伝達用連結具
CN106825355B (zh) * 2017-03-23 2019-03-19 莱芜钢铁集团有限公司 一种联结结构及水压机
CN109238325B (zh) * 2017-07-10 2023-10-03 研能科技股份有限公司 致动传感模块
CN108714651B (zh) * 2018-07-31 2019-09-03 武汉轻工大学 一种落料弯曲冲孔复合模具

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1435270C3 (de) * 1962-01-31 1975-07-10 Deutsche Vereinigte Schuhmaschinen Gmbh, 6000 Frankfurt Hydraulische Schwenkarmstanze
JP3102939B2 (ja) * 1992-01-10 2000-10-23 株式会社オグラ 複動型油圧作動装置

Also Published As

Publication number Publication date
KR20040063801A (ko) 2004-07-14
SE525756C2 (sv) 2005-04-19
SE0303524L (sv) 2004-07-07
DE10361362A1 (de) 2004-08-05
TW200418589A (en) 2004-10-01
DE10361362B4 (de) 2006-06-29
JP2004211828A (ja) 2004-07-29
KR100537154B1 (ko) 2005-12-16
SE0303524D0 (sv) 2003-12-29
JP3902766B2 (ja) 2007-04-11

Similar Documents

Publication Publication Date Title
US10589341B2 (en) Multi-step joining device and joining method therefor
EP1270959B1 (en) Hydraulic tool having mechanical actuator with internal bypass valve
US7533556B2 (en) Hydraulic tool release system
EP1697067B1 (en) Hydraulic tool with rapid ram advance
TWI259112B (en) Double-acting hydraulic actuator
JPH04128120U (ja) 油圧作動機
WO1989007020A1 (en) A method for joining two or several overlaying sheet formed members together, metal or non-metal, and an apparatus for carrying out the method
JPH0464835B2 (sv)
CN111140561A (zh) 用于压机的液压式泵-阀装置
EP1057550A2 (en) Press driven tool actuator module
US20090212582A1 (en) One-finger gripper device
JP4092226B2 (ja) クラッチコントロールシステム
JP4369677B2 (ja) パンチ切替装置
JP4118170B2 (ja) クラッチコントロールシステム
JP2005083562A (ja) クラッチコントロールシステム
KR100987146B1 (ko) 전자식 유압브레이크용 마스터실린더
JP3942095B2 (ja) クラッチコントロールシステム
US6539853B1 (en) Smart card connector with retain and eject means
RU2306192C2 (ru) Устройство для чистовой вырубки
KR200309140Y1 (ko) 자동차용 유압식 클러치의 유압 승압 장치
JP6173872B2 (ja) 複動式油圧作動装置
JP3433198B2 (ja) 手持ち式油圧工具
JP2579200Y2 (ja) ラム強制戻し機構付き手動油圧式工具
JPH0140694B2 (sv)
JP2006336693A (ja) 高速油圧動作方法および高速油圧動作回路

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees