CS235916B1 - Safety device for pneumatic hammer - Google Patents

Safety device for pneumatic hammer Download PDF

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Publication number
CS235916B1
CS235916B1 CS802432A CS243280A CS235916B1 CS 235916 B1 CS235916 B1 CS 235916B1 CS 802432 A CS802432 A CS 802432A CS 243280 A CS243280 A CS 243280A CS 235916 B1 CS235916 B1 CS 235916B1
Authority
CS
Czechoslovakia
Prior art keywords
housing
απη
safety device
openings
pneumatic
Prior art date
Application number
CS802432A
Other languages
English (en)
Inventor
Gerd Radtke
Original Assignee
Gerd Radtke
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.)
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Publication date
Application filed by Gerd Radtke filed Critical Gerd Radtke
Publication of CS235916B1 publication Critical patent/CS235916B1/cs

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14Control devices for the reciprocating piston
    • B25D9/26Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
    • B25D9/265Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof with arrangements for automatic stopping when the tool is lifted from the working face or suffers excessive bore resistance

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Description

235916 2 OGJiaCTb ΠρΗΜβΗβΗΗΗ Η3θ6ρβΤβΗΗΗ M3OCpeTeHHe KacaeTCH ΠΗβΒΜβΤΗ^βσΚΗΧ MOJIOTKOB, COCTOHIUHX B OCHOBHOM H3 UHJlHHBPH^eCKOEOKOpnyca h ycTaHOBJíeHHOfl na ηθμ ρϋκοητκη. B nHeBMaTHHecKHX MOJiOTKax 3Toro T»na paGoHHtt ahjihhap, b noJiocTH κοτοροΓΟ nepeMemaeTCHyflapHUň nopmeHb, βμποληθη b βηαθ TpyGu, ycTaHOBJíeHHOň b Kopnyce mojiotrb j uhjihhap Μ0»βτ ne-*peMemaTbCH b Kopnyce mojiotrb no och h yjjepwHBaTbCH b nnaBaiomeM ποπομθηηη b HanpaBJíMiomeftBTyjiKe, noABHMHOň b paflHajibHOM H&npaBJíeHHH,
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CorJiacHO HaoĎpeTaTeJibCKOMy npeítnojKeHHio, jie^aiuewy b ocHOBe 3TOň sbabkh na xo3HňCTBeHHMflιήτθηϊ, pacnojioxceHHtae na paČo^eM HHJiHHjtpe OTBepcTHH juih Bnycxa BO3řiyxa b nojio»ceHHH ποκοηpačo^iero itfiJiHHflpa yfíepwHBaiOTCH 3βκρωτκΐΜΗ panHanbHO ποηβη?κηοΗ HanpaBJíHioiueň BTyjiKOň, cJiy)Ka-upsfl λπη ycTaHOBKH pačonero HHJiHHnpa b Kopnyce MOJioTKa b nnaBatotueM ποηοχβΗΗΗ/ λο τβχ πορ,noxa paeoHHfl hhjihhjip ηθ nepewecTHTCH b οοθβομ HanpaBJíeHHH b uejinx 3anycKa mojiotk3 nyTeMycTaHOBJíeHHH 3φφβκτΗΒΗθΓθ KOHTaKTa c o6pa6aTfcjBaeMfcJM npefíMeTOM η b xofíe stoto oceBoro nepeMe-meHHH Ηβ οτκροβτ οτβθροτηη fíjin Bnycxa BO3fíyxa b nojiocTb UHJiHHfípa. Πρκ θτομ mojiotok BKJiíOHa-βτσΗ fínn paeoTW.
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Ha nepTeace npeACTaBneH nacTH^HUň npOAonbHuň paspea ΠΗβΒΜβΤΗΗβσκΟΓΟ MonoTxa ποΗΗΧβΗΗΟήBHÓpaiíHH.
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TpyĎH, ynjioTHHeTCH h HaxoAHTCH ποα ΑθήοτΒΗβΜ βηητοβοΗ npyxHHU 8, ycTaHOBJíeHHoH MeXAy onop->um kojibuom 7 h HanpaBJiH»«efi Βτγηκοή 5. Ποα ΑθήοτΒΗβΜ npyxHHU 8 paóowHň umahhap ποοτομηηοyAepxHBaeTCH b οβοθμ βΦΦθκτηβηομ ποηοχβΗΗΗ cnepeAH, κβκ sto npeACTaBJíeHO Ha nepTexe. Πρπ HaXOXAeHHH pa6owero UHAHHAPa B 3TOM COCTOHHHH ΠΟΚΟΗ ΒβΑΥΟΙββ Κ ΠΗβΒΜΟΡΒΟΠρβΑβΛΗΤβΛΜΟ2 OTBepcTHe απη BXOAa BO3Ayxa 10 saxpuTO, Tax hto Aaxe npw otxphtom BnycxHOM KJianaHe cxa-thH BosAyxr cxonuBUiHňcH b xojibueBOň xaMepe 2^, He KMeeT AOCTyna b paGowHfl uhjihhap· JIhuib npHycTaHOBJíeHHH δφφβκτΗΒΗοτο xoHTaxTa Mexuy ycTaHOBneHHUM b rtHeBMaTHHecKOM MojioTxe o6pa6aTU-BaKXQfM HHCTpyMeHTOM H OGpaCaTUBaeMiM ΠρβΑΜβΤΟΜ, ΟΠβΑΟΤΒΗβΜ ΗβΓΟ HBJIH6TCH OCeBO· neppMHÍWHM· pačo^ero uhjihhap^, OTBepcTHe απη sxoua BOSAyxa 10 oTpt»aeTCfl, noKHflan no ocn yruiOTHHTenbHyioBTyjixy 2· Tenepb HaxojvnaHftcH b xojibueBoň xaMepe 2 cxawtt xosAyx MoxeT nepea oTBepcTNe απη bxoa*BOSAyxa 10 BosAeftCTBOBaTb Ha nHesMOpasAemiTenb x sanycTHTb nHeBMaTH^ecxHň mojiotok. 5 235916 riOCJie CHHTHH 3ΦΦΘΚΤΗΒΗΟΓΟ KOHTSKTa MeJKfly OĎpaČaTbíBaiOIflHM HHCTpyMeHTOM H O6pa6aTbIBaeivSdMnpeflMeTOM pačowň uhjihhbp non neřicTBHeM npyjKHH&amp;a 8 nepeMeiuaeTca B npoTHBonojjojKHOM HanpaBJíeHHHtb pesyjibTaTe ^ero OTBepcTHe ajih Bxofla BO3flyxa 10 chobs saKpuBaeTCH η nHeaMaTH^ecKuň mojiotokMOMeHTajiBHO ocTOHaBJíHBaeTCH, KaK sto npeflycMOTpeHO H3oópeTaTejibCKHM npefljiOHceHHeM corjiacHo 3a-ΗΒκθ Ha xosHfícTBeHHbiň naieHT B 25D/2O9 930 &amp;jih onHcaHHoro TaM npefloxpaHHTejibHoro ycTpofícTBa.
OflHaKO φyHK^HOHaJ^bHO O6yCJlOBJieHHblK BO3flyUlHbIÉ 3a3OP', HMeiOtUHflCH MeHCfly paĎOHHM HHJIHHflpOM 4h ynjiOTHHTeJiBHoň BTyjiKOň 6_, MoaceT, m noKa3MBaeT οπητ, npHBecTH κ TOMy, ’ίτο η npn naxo^e-HHH npHBOflHOň CHCTeMH MOJlOTKa B COCTOHHHH ΠΟΚΟΗ TaK Ha3HBaeMhlň BO3JiyX yTeHKH 6yfíeT nOflaBaTbCflb OTBepcTHS flnH BXOfla BO3flyxa 10, h, npofóziH ^epe3 nHeBMopacnpeflHTejib 9, CyjieT HenpoH3BOJibHOnpHBOflHTh yflapHbifi nopnieHb MOJioTxa b fleflciBne. BbinojiHHeMbie b pe3yjibTaTe βτογο xojiocTEie yaa-pta, Kax y)Ke Chjio CKaeaHO, HewejiaTejibHfca h b 3ηβηητejibnoft CTenenu CHMstaiOT Φυηκη,ηοηη5ιϊ>ηυκ> Ha-fleacHOCTb h 6e3onacHocTb nHeBMaTH^ecKoro MOjioTKa. B ueiiHx nojiHoro npeflOBpaineHHH xojiocthx yaapoB Η3θϋρβτβΗΗβ npeziycMaTpHBaeT Mewfíy yrniOT-HHTejiHOň BTyjiKOň £ h paOoHHM uhjihhjipom .4 BHeMKy 11 b BHjje KOJihixeBOň κβηββκη, nepes Koropyio6yzieT yBajiHTbCH BO3jiyx yTe^KH, nocTynnBniHfl b 3OHy OTBepcTHH «jih BO3flyxa 10. Πρπ peacHMe τβ-ΗβΗΗΗ H řiaBJíeHHH, ΗΜβϊΟίηββ ΜθΟΤΟ Β 3ΟΗβ ΟΤΒβρΟΤΗΗ ΛΠΗ BXOBa BOSflyxa 10 , BO3flyX yTe<íKH BMXOflHTHepe3 BbieMKy β BHfle KOflbueBoň KaHaBKH 11 h yepe3 OTBepcTHH jvih Btaxofla BO3flyxa 12 hs nojioúTHΜοτιοτκβ h HanpaBJíneTCH β aτMOcφeρy. fíeKonpeccnoHHaH gaMepa ajih Bosnyxa yTeHKH, co3«aHHaH nyTeM BiánojiHeHHH βειθμκη b BHfíeKOJihueBOft KaHaBKH 11, n o6ycnoBJieHHoe sthm cHusceHne sneprHH BO3,nyxa yTe^íKH npejioBpaiuaeTnocTymieHne βτογο BO3flyxa b nojiocTb MOJiOTKa nepe3 nHeBMopacnpeneJiHTejib 9_,
TaKHM OÓpa3OM nOJIHOCTbIO HCKJlW^íaeTCH B03MO)KHOCTb BHnOJIHeHHH XOJ1OCTUX yjiapOB.
OOPMyJIA H3OBPETEHHH 1. npeflOxpaHHTGJibHoe ycTpoňcTBO ΠΗθΒΜβΤΗ’ίβσκοΓΟ MOJlOTKa, B Kopnyce κοτοροτο ycTa-HOBJíeH nepeMemaeMbiň no och paSoHnň hhjihhap, BbmojiHeHHbiň β βηζιθ TpyČH, ocHaiiíeHHtan nopnieM aHanpaBJíHeMuH bo BTyjixax, xapaKTepH3y»meecH τβΜ, ίτο Ha paóo^eM UHJiHHflpe /4/ co3flaHHtae ot-BepcTHH /10/ jpiH Bxo.ua BO3flyxa κ nHeBMOpacnpefleJiHTejno /9/, ycTaHOBJíeHta προτηβ BTyjiKe /6/,ruiOTHO ycTaHOBJíeHHOň β KOpnyce /3/ MOJlOTKa, πρηηθμ hx ΒΜχοχξΗωβ οτβθροτηη ββιχοβητ b KOJib-uesyio KaHaBKy /11/, ycTaHOBJíeHHyw Ha HapyjKHOíí OKpyjKHOň ποβθρχηοοτη paSonero UHJiHHflpa /4/,iuHPHHa κοτοροβ MaKCHMajibHO paBHa BtacoTe BTyjiKH /6/. AHHOTAUHfl IIpefloxpaHHTejibHoe ycTpoíicTBO Ha nneBMaTH^ecKHX MOJiOTKax Η3θ6ρβτβΗΗβ xacaeTCH πηθβμβτηηθοκηχ mojiotkob, coctohiuhx b ochobhom h3 Kopnyca h bej-ποπηθηηογο b BHjje Tpyóta paóo^ero mrnnHflpa c nopuineM, πρηηθμ iihjihhhp nepeMemaeTcn b KopnyceΠΟ OCH. UeJIbíO ΗΒΟδρβΤβΗΗΗ HBJÍHeTCH npeEOBpaiUeHHe nOCTynJieHHH. a/ npHBOflHoro BO3,nyxa BHyTpb pačo^iero uHJiHHBpa npn otkpejtom BnycKOM KJianaHe h 6/ Bosayxa yTe^KH BHyTpb pačo^iero UHJiHHfípa πρκ 33κρκιτοΜ BnycKHOM KJianane
Ha τβκΟΜ nHeBMaTH^iecKOM Μοτιοτκβ b to BpeMff, Korná paČOHHň hhjihhhp HaxoHHTCH β coctohhhh ποκοη
CyinHOďb H3o6peTeHHH saKJiio^aeTCH b tom, hto na pačo^eM muiHHflpe /4/ co3flaHHbie OTBepcTHH /10/jyiH Bbixofla BO3flyxa κ nHeBMopacnpeneJiHTejibio /9/, ycTaHOBJíeHta προτηβ BTyjiKe /6/, ibiotho

Claims (1)

  1. 235916 6 ycTaHOBjíeHHoa b xopnyce /3/ μοποτκβ, npuyeM mx iHXOflHUe OTmepcTHK auxofiXT KOnbueiyn xa-HaBKy /11/, ycTaHOBJíeHHyn Ha HapyxHoA oxpyxHott noaepxHOCTH paCoxero unnnH«pa /4/, umpHHaκοτοροΛ MaxcHMajitHO paBHa aucoie BTyjiXH /6/. pMedmít vynAlezu Pojistné zařízení pro pneumatické kladivo, v jehož tělese je umístěn pracovní válac vetvaru trubice, který je vybaven pístem a vedením v pouzdrech, vyznačený tím, že na pra-covním válci /4/ vytvořené otvory /10/, pro vstup vzduchu k pneumatickému rozdělovači /9/jsou upraveny proti pouzdru /6/, pevně-uloženému v tělese /3/ kladiva, přičemž jejich ústízasahují do kruhové drážky /11/, umístěné na vnější obvodové ploše pracovního válce /4/,jejíž šířka se maximálně rovná výšce pouzdra /6/. Uznáno vynálezem na základě výsledků expertizy, provedené flřadem pro yynálezectví a pa·tentnictví, Berlin, DO 1 výkres
CS802432A 1979-04-24 1980-04-03 Safety device for pneumatic hammer CS235916B1 (en)

Applications Claiming Priority (1)

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DD79212446A DD142950A1 (de) 1979-04-24 1979-04-24 Leerschlagsicherung an drucklufthaemmern

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CS235916B1 true CS235916B1 (en) 1985-05-15

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US (1) US4359108A (cs)
CS (1) CS235916B1 (cs)
DD (1) DD142950A1 (cs)
DE (1) DE3003834A1 (cs)
PL (1) PL128491B1 (cs)
SE (1) SE8003025L (cs)
SU (1) SU1125125A1 (cs)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2581337A1 (fr) * 1985-05-02 1986-11-07 Sorelem Perfectionnements aux brise-beton
CN102528759B (zh) * 2012-02-08 2014-12-24 王建华 气动多用冲击器
US20160288307A1 (en) * 2015-03-30 2016-10-06 Jhih Jhong Lin Automatic Air Inrtake Device for Pneumatic Tool

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1380118A (en) * 1920-02-13 1921-05-31 Sparrow William Thompson Pneumatic centering-punch
DE397195C (de) * 1922-04-08 1924-06-30 Maurice Monoyer Drucklufthammer mit verschiebbarem Handgriff
US2899934A (en) * 1956-01-19 1959-08-18 salengro

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US4359108A (en) 1982-11-16
DE3003834A1 (de) 1980-11-06
PL128491B1 (en) 1984-01-31
SE8003025L (sv) 1980-10-25
PL223683A1 (cs) 1981-02-27
DD142950A1 (de) 1980-07-23
SU1125125A1 (ru) 1984-11-23

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