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FR2375959A1 - Machine pneumatique portative a percussion - Google Patents

Machine pneumatique portative a percussion

Info

Publication number
FR2375959A1
FR2375959A1 FR7800056A FR7800056A FR2375959A1 FR 2375959 A1 FR2375959 A1 FR 2375959A1 FR 7800056 A FR7800056 A FR 7800056A FR 7800056 A FR7800056 A FR 7800056A FR 2375959 A1 FR2375959 A1 FR 2375959A1
Authority
FR
France
Prior art keywords
compressed air
working chambers
cylindrical sleeve
impact tool
sleeve valve
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
FR7800056A
Other languages
English (en)
Other versions
FR2375959B1 (fr
Inventor
P A Maslakov
N A Klushin
L A Juriev
V I Kokarev
V E Kilin
A G Galimov
O Y Sutyagin
O A Yankovsky
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.)
Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR
Original Assignee
Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR
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 Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR filed Critical Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR
Publication of FR2375959A1 publication Critical patent/FR2375959A1/fr
Application granted granted Critical
Publication of FR2375959B1 publication Critical patent/FR2375959B1/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
    • E02D3/061—Tampers with directly acting explosion chambers
    • 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
    • B25D9/20—Valve arrangements therefor involving a tubular-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
    • B25D2209/005—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is coaxial with the piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Agronomy & Crop Science (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Road Paving Machines (AREA)

Abstract

L'invention concerne les constructions mécaniques. La machine pneumatique faisant l'objet de l'invention est caractérisée en ce que la soupape 22 est exécutée sous forme d'une douille cylindrique enveloppant par sa surface intérieure 28 au moins un orifice 32 à travers lequel l'air comprimé est amené dans l'enceinte de distribution 19 et qui débouche dans au moins un canal longitudinal 29 pratiqué dans ladite soupape, relié constamment à la source d'air comprimé à travers ledit orifice et destiné à amener l'air comprimé aux canaux d'entrée des chambres de travail. La machine en question peut être utilisée notamment dans les ateliers de fonderie pour le serrage du sable de moulage, ainsi que dans le bâtiment et les travaux publics.
FR7800056A 1977-01-04 1978-01-03 Machine pneumatique portative a percussion Granted FR2375959A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU772440929A SU745670A1 (ru) 1977-01-04 1977-01-04 Воздухораспределительное устройство пневматических машин ударного действи

Publications (2)

Publication Number Publication Date
FR2375959A1 true FR2375959A1 (fr) 1978-07-28
FR2375959B1 FR2375959B1 (fr) 1980-10-17

Family

ID=20690943

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7800056A Granted FR2375959A1 (fr) 1977-01-04 1978-01-03 Machine pneumatique portative a percussion

Country Status (8)

Country Link
JP (1) JPS53108606A (fr)
AT (1) AT361417B (fr)
CS (1) CS210321B1 (fr)
DD (1) DD135589A1 (fr)
DE (1) DE2758621C2 (fr)
FR (1) FR2375959A1 (fr)
SE (1) SE428895B (fr)
SU (1) SU745670A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887989A (en) * 1958-07-03 1959-05-26 Richard O Dulaney Pneumatic rotary drill hammer
US3453657A (en) * 1967-04-17 1969-07-01 Maston C Bolton Fluid actuated percussion tool
FR2032415A1 (fr) * 1969-02-26 1970-11-27 Inst Gornogo Dela Sibirskogo O

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE225920C (fr) *
FR583873A (fr) * 1923-08-07 1925-01-23 Marteau pneumatique à river, buriner, etc.
US1665046A (en) * 1924-10-29 1928-04-03 Ralph H Tucker Pneumatic hammer
US2070299A (en) * 1934-05-16 1937-02-09 Chicago Pneumatic Tool Co Valve for percussive tools
JPS4720353U (fr) * 1971-02-12 1972-11-07
RO74260A (fr) * 1974-04-25 1980-10-30 Oy Tampella Ab,Fi Perforateur percutant actione a liquide sous pression

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887989A (en) * 1958-07-03 1959-05-26 Richard O Dulaney Pneumatic rotary drill hammer
US3453657A (en) * 1967-04-17 1969-07-01 Maston C Bolton Fluid actuated percussion tool
FR2032415A1 (fr) * 1969-02-26 1970-11-27 Inst Gornogo Dela Sibirskogo O

Also Published As

Publication number Publication date
AT361417B (de) 1981-03-10
ATA941077A (de) 1980-07-15
SE428895B (sv) 1983-08-01
CS210321B1 (en) 1982-01-29
DE2758621C2 (de) 1982-04-01
DD135589A1 (de) 1979-05-16
FR2375959B1 (fr) 1980-10-17
JPS53108606A (en) 1978-09-21
DE2758621A1 (de) 1978-07-13
JPS5745843B2 (fr) 1982-09-30
SE7714910L (sv) 1978-07-05
SU745670A1 (ru) 1980-07-07

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Legal Events

Date Code Title Description
ST Notification of lapse