Introductiontotheelectrichammer
Theelectrichammerisawidelyusedelectrictool.Theelectrichammerisbasedonanelectricdrill,addingapistonwithacrankshaftconnectingroddrivenbyanelectricmotor,andreciprocatingcompressedairinacylinder,sothattheairpressureinthecylinderchangesperiodically,andthechangingairpressuredrivesthehammerinthecylindertoreciprocateStrikethetopofthedrillbit,whichisequivalenttohittingthedrillbitwithahammer.HencethenameElectricHammer.
Theelectrichammerisatypeofelectricdrill,whichismainlyusedtodrillholesinconcrete,floorslabs,brickwallsandstone.Professionaldrillingonwall,concrete,stone,andmulti-functionalelectrichammer,adjusttotheproperpositionwithproperdrillbitcanreplaceordinaryelectricdrill,electricpick.
Becausethedrillbitoftheelectrichammerproducesrapidreciprocatingmovement(frequentimpact)alongthedirectionoftheelectricdrillrodwhilerotating,itcanquicklyhitthebrittlecementconcrete,stoneandothermaterials.hole.Thehigh-endelectrichammercanusethechange-overswitchtomakethedrillbitoftheelectrichammerindifferentworkingstates,thatis,itonlyrotateswithoutimpact,onlyimpactswithoutrotation,andbothimpactsandrotates.
Funkce
1.Dobrý systém absorpce otřesů: Díky němu se obsluha bude cítit pohodlně a zmírní únavu.
Způsob realizace: prostřednictvím "systému kontroly vibrací"; prostřednictvím měkké gumové rukojeti pro zvýšení pohodlí držení;
2,precisespeedcontrolswitch:thespeedishigherwhentheswitchistouchedLow,canhelpthemachinetotripsmoothly(forexample,onasmoothsurfacesuchasatile,itcannotonlypreventthedrillfromslipping,butalsopreventthedrillfrombreaking.Highspeedcanbeusedduringnormalworktoensureworkefficiency.
3.Stableandreliablesafetyclutch:alsoknownastorquelimitingclutch,whichpreventsthelargetorquereactionforcegeneratedbythejammingofthebitfrombeingtransmittedtotheuserduringuse,whichisasafetyprotectionfortheuser.Thisfeaturecanalsopreventthegeardeviceandthemotorfromstopping.
4.Comprehensivemotorprotectiondevice:Inuse,itisinevitablethathardparticleswillenterthemachine(especiallywhenthemachineisworkingupwards).Drillingholes,suchasdrillingholesonthewall),ifthemotordoesnothavecertainprotection,itisveryeasytobebrokenbyhardobjectsorscratchtheenameledwireduringhigh-speedrotation,whichwilleventuallycausethemotortofail.
5,positiveandnegativeRotationfunction:Theelectrichammercanbeusedinawiderrange.Therealizationformismainlyrealizedbyswitchingoradjustingthepositionofthecarbonbrush.Usually,big-nametoolswillusetheadjustmentofthecarbonbrushposition(rotatingbrushholder)toachievethis.TheadvantageofthisisConvenientoperation,effectivesuppressionofsparkstoprotectthecommutatorandprolongtheservicelifeofthemotor
6. Dvojitá funkce příklepové vrtačky
Výhody
Výhodami je vysoká účinnost a velký otvor, dlouhá hloubka vrtání.
Disadvantages
Thedisadvantageisthatthevibrationislarge,whichwilldamagethesurroundingstructurestoacertainextent.ThesteelbarsintheconcretestructurecannotpasssmoothlybecauseoftheworkScoperequirements,nottooclosetothebuilding
Workingprinciple
Theelectrichammerprincipleisthatwhilethetransmissionmechanismdrivesthedrillbittorotate,thereisalsoadirectionperpendiculartothereciprocatingheadoftherotor.Hammeringmotion.Theelectrichammerisdrivenbyatransmissionmechanismtodrivethepistontoreciprocateandcompressairinacylinder.Theperiodicchangeofairpressureinthecylinderdrivesthehammerinthecylindertoreciprocateagainstthetopofthebrick,asifwewerehittingthebrickwithahammer,hencethenameelectricityHammer.
Bezpečný provoz
1. Osobní ochrana při používání elektrického kladiva
1.TheoperatorshouldwearprotectiveglassestoprotecttheeyesandfaceWhenworkingupwards,wearaprotectivemask.
2.Během dlouhodobého provozu je třeba zapojit špunty do uší, aby se snížil vliv hluku.
3. Vrták je po dlouhodobém provozu v horkém stavu, při výměně byste měli dávat pozor, abyste si spálili kůži.
4.Whenworking,youshouldusesidehandlesandoperatewithbothhandstopreventthereactionforcefromsprainingyourarmswhenblockingtherotor.
5.StandingontheladderWorkorworkathighplacesshouldtakemeasurestofallfromhighplaces,andladdersshouldbesupportedbygroundpersonnel.
2.Před prací je třeba věnovat pozornost
1.ConfirmthepowerandelectricityconnectedtothesiteWhetherthenameplateofthehammermatches.Whetherthereisaleakageprotectorconnected.
2,thedrillbitandtheclampTheholdershouldbeadaptedandproperlyinstalled.
3.Při vrtání stěn, stropů a podlah nejprve ověřte, zda jsou zakopané kabely nebo trubky.
4.Whenworkingathighplaces,payfullattentiontothesafetyofobjectsandpedestriansbelow,andsetupwarningsignswhennecessary.
5.Confirmwhethertheswitchontheelectrichammeristurnedoff.Ifthepowerswitchisturnedon,thepowertoolwillrotateunexpectedlywhentheplugisinsertedintothepowersocket,whichmaycausepersonalinjury.
6.Iftheworksiteisfarawayfromthepowersourceandthecableneedstobeextended,useaqualifiedextensioncablewithsufficientcapacity.Iftheextensioncablepassesthroughthepedestrianwalkway,itshouldbeelevatedortakemeasurestopreventthecablefrombeingcrushedanddamaged.
Použití
1. Předprovozní kontroly by měly splňovat následující požadavky:
1. Rukojeti skořepiny by neměly prasknout ani se poškodit;
2.Kabelové šňůry a zástrčky jsou nepoškozené,spínání je normální,ochranné nulové připojení je správné,spolehlivé;
3.Theprotectivecoversofeachpartarecompleteandfirm,andtheelectricalprotectiondeviceisreliable.
2.Afterthemachineisstarted,itshouldrunwithoutload,anditshouldbecheckedandconfirmedthatthemachinelinkageisflexibleandunimpeded.Duringoperation,theafterburnershouldbesteadyandnottoostrong.
3.Thehandleoftheelectricdrillorelectrichammershouldbegraspedduringoperation.Whendrilling,firstputthedrillbitagainsttheworkingsurfaceofthespecial-shapedrivet,andthenstartitwithmoderateforcetoavoidshaking;ifthespeeddropssharply,reducetheforce.Topreventthemotorfromoverloading,itisstrictlyforbiddentopressurizewithawoodenload.
Za čtvrté, při vrtání děr dávejte pozor, abyste se vyhnuli ocelovým tyčím v betonu.
Fifth,theelectricdrillandelectrichammerare40%intermittentworksystem,andshouldnotbeusedcontinuouslyforalongtime.
Six.Whentheworkingapertureisabove25mm,thereshouldbeastableworkingplatform,andguardrailsshouldbearrangedaroundit.
Seven,overloadingisstrictlyprohibited.Attentionshouldbepaidtothesoundandtemperatureriseduringoperation.Ifabnormalitiesarefound,themachineshouldbeshutdownforinspectionimmediately.Whentheworkingtimeistoolongandthetemperatureriseofthemachineexceeds60°C,themachineshouldbeshutdownandallowedtocooldownbeforestartingwork.
8.Nepouštějte stroj, když se začne otáčet.
9.Duringoperation,donottouchthecuttingtools,moldsandgrindingwheelsoftheelectrichammerorelectricsawwithyourhands.Ifitisfoundtobebluntordamaged,itshouldbeshutdownimmediatelyforrepairorreplacement,andthencontinuetowork.
Běžné závady
I.Elektrické závady
Elektrická porucha elektrického kladiva, zejména včetně otevřeného obvodu, zkratu, uzemnění a komutace rotoru Jiskry jsou velké.
Mostofthefaultsoftheopencircuitarebrokenleatherwires,andthemostcommonleatherwireisbrokenattherootofthehandle.Onecharacteristicofsuchabrokenwireisthatthepowercordoftheelectrichammerisconnectedtotheresistancegearofthemultimeter.Presstheswitchandmovetherootoftheleathercordbyhand,thereadingofthemultimeterwillchange.Inaddition,therootoftheplugisalsoeasytobreak,andtherearemanycasesofbrokenswitches.Theswitchcanbecheckedwithamultimetertocheckthecarbonbrushcontact.Poornesscanalsocauseanopencircuit.Therearetwowaystocheckthecarbonbrushmachineandpoorcontact:
Firstobserveiftheendsurfaceofthecarbonbrushissmoothandingoodcontact,thepittedsurfaceisinpoorcontact.Anotherwaytocheckistoconnectthetestleadofthemultimetertotheendofthemotor,andusetwoscrewdriverstopressitonthebrushsocketandtherotoratthesametime.bad.Blowingofthestatorearringscanalsocausethemotortobreak.
Therotorissometimesdisconnected.Thecharacteristicisthatthepowercordisconnectedtothemultimeter,andtherotorisslowlyrotated,andthereadingswillchangegreatly.Thegroundingisgenerallycausedbytheironrubbingofthestatorandrotor.Theironrubbingneedstobereplaced.Therotor,theotheriscausedbywaterormoisture.Itisenoughtodry.Therotorsparksareusuallycausedbytherotorfailureandneedtobereplaced.Rotor,aftertherotorisreplaced,observewhetherthereisironwiping.Iftheironwipingisserious,therewillbeachokingsoundwhenstartingup.Ifthewipingislight,theworkingtimewillbeburntandthecurrentwillalsoincrease.Thereasonsforthewipingare:,Thescrewsfixingthestatorareloose,thebearingseatistooloose,thestatorshellisdeformed,andthebearingisdamaged.
Za druhé, mechanické selhání
Themainreasonforthefailureofthemechanicalpartoftheelectrichammeristhenon-impactandtheweakimpact.Themainreasonforthenon-impactisthepistonandtheimpulse.Therubberringonthehammerisaging.Putthebigcylinderuprightwiththemouthfacingdown.Ifthehammercanfallfreely,therubberringmustbeaging.Whentherubberringisaging,youcanhearthesoundofthepistonandthehammerhittingeachother.Afterdisassemblingthemachine,itcanbefoundthattheendfacesofthepistonandthehammerareshiny.Shortimpactseedscancausenoimpact(comparewithnewones)
Nooilcanalsocauseweakimpact.Iftheaboveconditionsarenormalandthereisnoimpact,thenyoumustcarefullyobservethelargecylindertoseeiftherearecracks,andthecracksneedtobereplaced.
Ifthemotorrotatesafterthemachineisturnedon,thehammerheadturnsandnocompressionisheard.Thesoundmaybebrokenconnectingrodorbrokeneccentricwheel.Ifthemotorrotatesafterthemachineisturnedon,andthehammerdoesnotrotateorcompress,itmaybethattheprimarywheelisdamagedortherotorshaftisbroken.Thenthereisabrokenumbrellatooth,whichshowsweaknessornorotationatall.
Thereisanotherphenomenonthateveryoneshouldpayattentionto,thatis,thekeyisbroken.Whenwecheckthefitofthegearandtheshaft,duetothestrongfrictionbetweentheshaftandthegearglue,itisnoteasytofindthekeybreak,butthekeyisbroken.Itwillnotworkproperlyafterloading.
Beforereplacingthenewparts,wemustcleanupthestolengoodsandoilstainsinthefaultpointsothatwecanfindotherfaults.
Jehlové válečkové ložisko ve středním krytu musí být dobře používáno. Pokud je použit vadný výrobek, je-li poškozen, může se snadno poškodit primární kolo a hřídel rotoru.