JP7171035B2 - 流体圧式打撃装置 - Google Patents

流体圧式打撃装置 Download PDF

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Publication number
JP7171035B2
JP7171035B2 JP2018219081A JP2018219081A JP7171035B2 JP 7171035 B2 JP7171035 B2 JP 7171035B2 JP 2018219081 A JP2018219081 A JP 2018219081A JP 2018219081 A JP2018219081 A JP 2018219081A JP 7171035 B2 JP7171035 B2 JP 7171035B2
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JP
Japan
Prior art keywords
chamber
fluid
piston
pressure
cylinder
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
JP2018219081A
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English (en)
Japanese (ja)
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JP2020082256A5 (https=
JP2020082256A (ja
Inventor
正典 伊藤
博司 藤本
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.)
Teisaku Corp
Original Assignee
Teisaku Corp
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 Teisaku Corp filed Critical Teisaku Corp
Priority to JP2018219081A priority Critical patent/JP7171035B2/ja
Priority to PCT/JP2019/043632 priority patent/WO2020105447A1/ja
Priority to US17/296,538 priority patent/US11850717B2/en
Priority to EP19886108.0A priority patent/EP3885076A4/en
Publication of JP2020082256A publication Critical patent/JP2020082256A/ja
Publication of JP2020082256A5 publication Critical patent/JP2020082256A5/ja
Application granted granted Critical
Publication of JP7171035B2 publication Critical patent/JP7171035B2/ja
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/02—Percussive tool bits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/002—Pressure accumulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Percussive Tools And Related Accessories (AREA)
JP2018219081A 2018-11-22 2018-11-22 流体圧式打撃装置 Active JP7171035B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2018219081A JP7171035B2 (ja) 2018-11-22 2018-11-22 流体圧式打撃装置
PCT/JP2019/043632 WO2020105447A1 (ja) 2018-11-22 2019-11-07 流体圧式打撃装置
US17/296,538 US11850717B2 (en) 2018-11-22 2019-11-07 Fluid pressure striking device
EP19886108.0A EP3885076A4 (en) 2018-11-22 2019-11-07 Fluid pressure striking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018219081A JP7171035B2 (ja) 2018-11-22 2018-11-22 流体圧式打撃装置

Publications (3)

Publication Number Publication Date
JP2020082256A JP2020082256A (ja) 2020-06-04
JP2020082256A5 JP2020082256A5 (https=) 2021-12-23
JP7171035B2 true JP7171035B2 (ja) 2022-11-15

Family

ID=70773416

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018219081A Active JP7171035B2 (ja) 2018-11-22 2018-11-22 流体圧式打撃装置

Country Status (4)

Country Link
US (1) US11850717B2 (https=)
EP (1) EP3885076A4 (https=)
JP (1) JP7171035B2 (https=)
WO (1) WO2020105447A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102317232B1 (ko) * 2020-01-08 2021-10-22 주식회사 현대에버다임 유압 브레이커

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015163425A (ja) 2014-01-30 2015-09-10 古河ロックドリル株式会社 液圧式打撃装置
JP2016140929A (ja) 2015-01-30 2016-08-08 古河ロックドリル株式会社 液圧式打撃装置、並びにバルブタイミングの切換方法およびバルブポートの設定方法
JP2018138321A (ja) 2017-02-24 2018-09-06 古河ロックドリル株式会社 液圧式打撃装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3780621A (en) 1971-06-07 1973-12-25 Atlas Copco Ab Hydraulic fluid actuated percussion tool
JPS5837569Y2 (ja) 1980-05-19 1983-08-24 株式会社 帝国鑿岩機製作所 打撃装置
US4401030A (en) * 1981-06-15 1983-08-30 Gator Manufacturing, Inc. Portable marking tool
DE3221758A1 (de) * 1982-06-09 1983-12-15 Hartmann & Lämmle GmbH & Co KG, 7255 Rutesheim Hydraulische antriebsvorrichtung
JPH0763940B2 (ja) * 1986-10-08 1995-07-12 日本ニユ−マチツク工業株式会社 衝撃動工具
GB9314145D0 (en) * 1993-07-08 1993-08-18 Savair Ltd Pneumatic cylinder and control valve therefor
JPH07214479A (ja) * 1994-02-02 1995-08-15 Matsuda Astec Kk 油圧衝撃工具
DE4404009C1 (de) 1994-02-09 1995-04-27 Klemm Guenter Fluidbetätigter Schlaghammer
EP1731271A1 (de) * 2005-06-09 2006-12-13 Netter Gmbh Pneumatisch arbeitender Klopfer sowie Verfahren zum Betreiben eines pneumatisch arbeitenden Klopfers
US8968204B2 (en) * 2006-06-12 2015-03-03 Transonic Systems, Inc. System and method of perivascular pressure and flow measurement
US20080236297A1 (en) 2007-01-23 2008-10-02 Geoff Van Fleet Acoustically compatible insert for an ultrasonic probe
JP2013233595A (ja) * 2010-08-27 2013-11-21 Teisaku:Kk 流体圧式打撃装置
JP6480201B2 (ja) 2014-01-30 2019-03-06 古河ロックドリル株式会社 液圧式打撃装置
US10335043B2 (en) 2015-04-06 2019-07-02 Thomas Jefferson University Implantable vital sign sensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015163425A (ja) 2014-01-30 2015-09-10 古河ロックドリル株式会社 液圧式打撃装置
JP2016140929A (ja) 2015-01-30 2016-08-08 古河ロックドリル株式会社 液圧式打撃装置、並びにバルブタイミングの切換方法およびバルブポートの設定方法
JP2018138321A (ja) 2017-02-24 2018-09-06 古河ロックドリル株式会社 液圧式打撃装置

Also Published As

Publication number Publication date
US11850717B2 (en) 2023-12-26
WO2020105447A1 (ja) 2020-05-28
EP3885076A4 (en) 2022-08-10
US20220024012A1 (en) 2022-01-27
EP3885076A1 (en) 2021-09-29
JP2020082256A (ja) 2020-06-04

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