JPS52150874A - Liquid pressure impact machine of self-oscillating type - Google Patents

Liquid pressure impact machine of self-oscillating type

Info

Publication number
JPS52150874A
JPS52150874A JP6795876A JP6795876A JPS52150874A JP S52150874 A JPS52150874 A JP S52150874A JP 6795876 A JP6795876 A JP 6795876A JP 6795876 A JP6795876 A JP 6795876A JP S52150874 A JPS52150874 A JP S52150874A
Authority
JP
Japan
Prior art keywords
liquid pressure
self
oscillating type
impact machine
pressure impact
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.)
Granted
Application number
JP6795876A
Other languages
Japanese (ja)
Other versions
JPS5816990B2 (en
Inventor
Makoto Matsuda
Takeo Watanabe
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.)
Mitsui Engineering and Shipbuilding Co Ltd
Original Assignee
Mitsui Engineering and Shipbuilding 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
Application filed by Mitsui Engineering and Shipbuilding Co Ltd filed Critical Mitsui Engineering and Shipbuilding Co Ltd
Priority to JP6795876A priority Critical patent/JPS5816990B2/en
Priority to US05/803,989 priority patent/US4172411A/en
Priority to DE2726046A priority patent/DE2726046C3/en
Priority to FR7717693A priority patent/FR2354443A1/en
Priority to GB24137/77A priority patent/GB1550520A/en
Publication of JPS52150874A publication Critical patent/JPS52150874A/en
Publication of JPS5816990B2 publication Critical patent/JPS5816990B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

PURPOSE: In a liquid pressure impact machine of self-oscillating type, to change the liquid pressure applied to a double-acting cylinder by a spool valve, reciprocate a boring tool striking piston, supply the spool with a pilot pressure of two systems, and stabilize the operation of the spool.
COPYRIGHT: (C)1977,JPO&Japio
JP6795876A 1976-06-09 1976-06-09 Self-excited hydraulic impact machine Expired JPS5816990B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP6795876A JPS5816990B2 (en) 1976-06-09 1976-06-09 Self-excited hydraulic impact machine
US05/803,989 US4172411A (en) 1976-06-09 1977-06-06 Hydraulic hammer
DE2726046A DE2726046C3 (en) 1976-06-09 1977-06-08 Hydraulic hammer with safety start
FR7717693A FR2354443A1 (en) 1976-06-09 1977-06-09 HYDRAULIC HAMMER
GB24137/77A GB1550520A (en) 1976-06-09 1977-06-09 Hydraulic hammer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6795876A JPS5816990B2 (en) 1976-06-09 1976-06-09 Self-excited hydraulic impact machine

Publications (2)

Publication Number Publication Date
JPS52150874A true JPS52150874A (en) 1977-12-14
JPS5816990B2 JPS5816990B2 (en) 1983-04-04

Family

ID=13359968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6795876A Expired JPS5816990B2 (en) 1976-06-09 1976-06-09 Self-excited hydraulic impact machine

Country Status (1)

Country Link
JP (1) JPS5816990B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54150562A (en) * 1978-05-18 1979-11-26 Control Concepts Hydraulic trembler
JPS5844501U (en) * 1981-09-18 1983-03-25 株式会社大阪ジヤツキ製作所 hydraulic transducer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0249296U (en) * 1988-09-30 1990-04-05
JPH03263346A (en) * 1990-03-13 1991-11-22 Tokyo Electron Ltd Inspecting device and pin attaching/detaching jig

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54150562A (en) * 1978-05-18 1979-11-26 Control Concepts Hydraulic trembler
JPS5844501U (en) * 1981-09-18 1983-03-25 株式会社大阪ジヤツキ製作所 hydraulic transducer

Also Published As

Publication number Publication date
JPS5816990B2 (en) 1983-04-04

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