I-single Drum vs Double Drum Walk-Behind Roller: Yikuphi Okufanele Ukhethe?
Ukukhetha phakathi kwesigubhu esisodwa kanye nesigubhu esiphindwe kabili kubukeka kulula kuze kufike amashidi okucacisa. Umshini owodwa unesigubhu esisodwa sensimbi, omunye unezimbili, futhi kuyalinga ukucabanga ukuthi izigubhu ezimbili kumele zenze umsebenzi ophindwe kabili kunowethu. Imishini yokwakha ayivamile ukuba nesizotha kangako. Ukusebenza kokuqiniswa kuncike esisindweni sokusebenza, amandla e-centrifugal, imvamisa yokudlidliza, ububanzi besigubhu, isivinini sokuhamba, isimo sezinto kanye nobukhulu besendlalelo.
Impendulo ewusizo iwukuthi i-roller eyodwa ehamba ngemuva kwesigubhu ivame ukufaneleka ukugijima okufushane, ukuthutha okuvamile kanye nomsebenzi lapho kufanele kube khona indawo eqondile. I-roller ehamba ngemuva kwesigubhu esikabili ingahlinzeka ngokumbozwa okulinganayo ku-asphalt kanye nokudlula okude okunciphile. Akukho ukwakheka okuwina yonke imisebenzi, ngakho-ke idatha yezinto ezibonakalayo kanye nomshini kufanele kwenze isinqumo, hhayi inani lesigubhu elinyatheliswe encwajaneni.
I-Single Drum vs Double Drum Roller: Ukuqhathanisa Okusheshayo
| Isici sokukhetha | Irola ehamba ngemuva kwedrama eyodwa | Irola yokuhamba ngemuva kwedrama ephindwe kabili |
|---|---|---|
| Ilungiselelo lokuxhumana | Isigubhu esisodwa sensimbi esidlidlizayo, ngokuvamile esinamasondo asekelayo | Izigubhu zensimbi zangaphambili nezangemuva zilandela umzila ofanayo wokusebenza |
| Amandla avamile | Ukuphathwa okuncane, ukubeka umkhawulo kanye nokuthuthwa okulula | Ukumbozwa komzila ofanayo kanye nokugingqika okubushelelezi e-asphalt |
| Izinhlelo zokusebenza ezijwayelekile | Amatshe ayigugu, isisekelo esinobuthi, ama-patches e-asphalt kanye nomsebenzi ovalekile | Ukulungiswa kwe-asphalt, izindlela, izindawo zokupaka kanye nokugcwalisa i-granular backfill |
| Ukuhlola ukuthenga okubalulekile | Amandla, ububanzi besigubhu, uhlelo lwamanzi kanye nokususwa kwecala | Isisindo sokusebenza, amandla, ukumbozwa kwe-sprinkler kanye nomthamo wokuthutha |
| Iphutha elivamile | Ukucabanga ukuthi isigubhu esisodwa sisho ukucindezelwa okubuthakathaka | Uma sicabanga ukuthi izigubhu ezimbili ziqinisekisa ukujula okukhulu noma ukudlula okumbalwa |
Kungani Ukubalwa Kwezigubhu Kungalandisi Yonke Indaba
I Uhla lwe-ACE RL600A-800 olulodwa lwe-roller drum isebenzisa ukudluliselwa kwe-hydraulic, ukulawula okuguquguqukayo kokuhamba, uhlelo lokuphepha lomuntu ofile, izikrufu ezizihlanzayo kanye nethangi lamanzi elisuswayo. Amandla e-centrifugal ashicilelwe kulo lonke ibanga angama-15–20 kN, anemvamisa yokudlidliza engama-70 Hz. Lezo zibalo zibonisa ukuthi umshini owodwa wesigubhu usengakhiqiza amandla ashukumisayo awusizo futhi ungalungiselelwa umsebenzi we-asphalt kunokuba uvinjelwe enhlabathini exegayo.
I Uhla lwe-ACE RL500D-RL900D oluphindwe kabili olunezigubhu ezimbili ihlanganisa ibhendi yokusebenza ebanzi. Isisindo sokusebenza sikhuphuka sisuka ku-630 siye ku-810 kg, amandla e-centrifugal ayanda sisuka ku-15 siye ku-30 kN, kanti ububanzi besigubhu busukela ku-600 kuya ku-700 mm. Zonke izinhlobo ezine zisebenza ngokudlidliza okungu-3,600 ngomzuzu, kanti umthamo wamathangi amanzi usukela kumalitha angu-32 kuya ku-35.
| Ipharamitha yesigubhu esiphindwe kabili se-ACE | Ububanzi obushicilelwe | Kusho ukuthini kusayithi |
|---|---|---|
| Isisindo sokusebenza | 630–810 kg | Kuthinta izidingo zokulayisha ezingaguquki, ezokuthutha kanye nezokuphakamisa |
| Amandla e-Centrifugal | 15–30 kN | Kubonisa ukuthi imishini emibili enezigubhu ezimbili ingase ibe nomkhiqizo ohlukile kakhulu |
| Imvamisa yokudlidliza | 3,600 vpm / 60 Hz | Kufanele kucatshangelwe kanye nesivinini sokuhamba |
| Ububanzi besigubhu | 600–700 mm | Ishintsha ukumbozwa ngephasi ngalinye kanye nokufinyelela ngokusebenzisa izikhala ezincane |
| Isivinini esikhulu sokuhamba | 2.5 km/h | Kuthonya ukuthi imijikelezo eminingi yokudlidliza ifinyelela kumitha ngayinye |
| Umthamo wamanzi | Amalitha angu-32–35 | Isekela ukumanzisa izigubhu ngesikhathi sokusebenza nge-asphalt |
Uhla lubonisa ukuthi kungani “i-double drum” iyisakhiwo somshini, hhayi isilinganiso sokusebenza. I-RL500D kanye ne-RL900D zombili zinezigubhu ezimbili, kodwa amandla azo e-centrifugal ashicilelwe angama-15 kanye nama-30 kN ngokulandelana. Umshini wesibili ukhiqiza amandla aphindwe kabili kunalawo abhalwe phansi yize inani lezigubhu lingashintshi.
Ijubane Lokuhamba Lishintsha Umzamo Wokucinana Ngemitha
Imvamisa yokudlidliza izwakala imangalisa ephepheni lokucacisa, kodwa iba usizo kakhulu uma ixhunyaniswe nesivinini sokuhamba. Amamodeli e-ACE double drum asebenza ngokudlidliza okungu-3,600 ngomzuzu, noma imijikelezo engu-60 ngomzuzwana. Ngesivinini esiphezulu esishicilelwe esingu-2.5 km/h, umphumela wethiyori cishe imijikelezo yokudlidliza engu-86 ngemitha. Ngesigamu salelo jubane, cishe u-1.25 km/h, inani likhuphuka libe imijikelezo engaba ngu-173 ngemitha.
Lokhu akusho ukuthi ukuhamba kancane kungcono ngaso sonke isikhathi. Ukukhasa phezu kwe-asphalt eshisayo kuze kube yisikhathi sasemini akuyona isu lokuqiniswa eliqashelwayo. Kumane kubonisa ukuthi ukwandisa isivinini kunciphisa umzamo wokudlidliza osetshenziswa kumitha ngayinye. Abasebenzi kusadingeka balinganise isivinini ngokumelene nokushisa kwezinto, ukunyakaza kwendawo, ubuningi bezinhloso kanye nengozi yokusebenza ngokweqile kwengqimba.
Yisiphi i-Walk-Behind Roller esingcono kakhulu kwi-Asphalt?
I-roller ye-drum ephindwe kabili ivame ukukhethwa ukuze kulungiswe i-asphalt encane, izindawo zokuhamba kanye nezindawo zokupaka ngoba womabili ama-drum ahamba ngomzila ofanayo. Lokhu kungathuthukisa ukuhambisana kokumbozwa, kodwa umphumela obushelelezi usancike ekudluleni kwe-pass, izinga lokushisa le-asphalt, ukuhlanzeka kwe-drum kanye nokusatshalaliswa kwamanzi. I-ACE ifaka imigoqo emibili ye-scraper ku-drum ngayinye ebangeni layo le-RL500D-RL900D, okusiza ukususa izinto ngaphambi kokuba zizungeze i-drum futhi zishiye isikhumbuzo esingafuneki endaweni eqediwe.
Ama-roller e-drum eyodwa akufanele alahlwe ngenxa ye-asphalt. Amamodeli e-ACE single drum afaka phakathi ama-scraper azihlanzayo, imiphetho ye-drum e-bevelled kanye nethangi lamanzi elisuswayo. Lezi zici zibhekana nezinkinga ezifanayo ezisebenzayo: izinto ezinamathela esigubheni, amamaki onqenqema abonakalayo kanye nokuhlanza okungavamile ngemva komsebenzi.
Izinga lokushisa liphinde lishintshe ifasitela eligoqekayo. Ukuphathwa Kwemigwaqo Kahulumeni wase-US ibika ukuthi i-asphalt exutshwe ngokufudumele ngokuvamile iqala ngo-30–70°F, cishe ngo-17–39°C, ngaphansi kwamazinga okushisa avamile e-asphalt exutshwe ngokushisayo futhi ihlala ipholile ngesikhathi sokubekwa kanye nokuqiniswa. Ngakho-ke iphethini efanele yokudlula incike engxubeni enikeziwe, hhayi kulokho okusebenze endaweni yokupaka izimoto ngoLwesibili olwedlule.
Yimuphi uRoller Osebenza Kangcono Enhlabathini Nasezinhlayiyeni?
Uma ufuna isisekelo esingaphansi samatshe, isihlabathi kanye ne-granular, qhathanisa isisindo sokusebenza, amandla e-centrifugal, umswakama kanye nobukhulu besendlalelo esikhululekile. Umshini wesigubhu owodwa ungaba lula ukuwubeka ngesikhathi sokusebenza okufushane, kuyilapho imodeli yesigubhu esindayo esiphindwe kabili inganikeza amandla engeziwe kanye nokumbozwa okubanzi. Kodwa-ke, akekho umshini ongasindisa isendlalelo esilungiselelwe kabi. Uma izinto zibekwe zijiyile kakhulu noma ziqukethe umswakama ongafanele, ukwengeza ama-pass engeziwe kungacindezela kuphela ingxenye ephezulu kuyilapho ingxenye engezansi ihlala ikhululekile.
Imishini yemigqomo emibili ayigcini nje nge-asphalt. I-Multiquip ibala ukugcwaliswa kwamapayipi kanye nenhlabathi enama-granular phakathi kwezicelo zayo I-MRH800GS tandem roller . Leyo modeli inesisindo esingu-694 kg, inikeza amandla okucindezela angu-23.57 kN, isebenza ku-3,300 vpm futhi isebenzisa ama-drum angu-650 mm. Lezi zibalo zisendaweni efanayo yokusebenza njengamamodeli amaningana e-ACE double drum, okunikeza abathengi isilinganiso sangaphandle esiwusizo.
Ukufinyelela Emaphethelweni, Ezokuthutha kanye Nokulawula Opharetha
Ama-roller e-drum eyodwa avame ukuchazwa njengokulula ukuwasebenzisa eceleni kwezindonga, kodwa i-geometry yomshini ibaluleke kakhulu kunelebula. I-Multiquip ishicilela isikhala esingaphansi kwama-25 mm ohlangothini lwe-MRH800GS double drum roller, okubonisa ukuthi umshini we-tandem ungasebenza eduze komphetho. Abathengi kufanele bahlole ukulenga ohlangothini, ububanzi bohlaka, ukunyakaza kwesibambo kanye nokubonakala kusuka endaweni yokusebenza kunokuthembela esitatimendeni esijwayelekile mayelana nokuguquguquka.
Ezokuthutha zifanelwe ukunakwa okufanayo. I-BOMAG BW 65 Isibonelo, inesisindo esingu-720 kg futhi inobubanzi bokusebenza obungu-650 mm. Lokho kuncane ngokwezindinganiso ze-road-roller, kodwa akuyona into okufanele izisebenzi ezimbili ziyincenge ngokunganaki ngepulangwe. Umthwalo we-trailer, isilinganiso se-ramp, izindawo zokuphakamisa kanye nezindawo zokubopha kufanele kuqinisekiswe ngaphambi kokuthenga.
Zingaki Iziphasi Futhi Zijule Kangakanani?
Akukho nombolo yokudlula noma ukujula kokuqina okuqinile kwe-roller yokudlidliza ehamba ngemuva. Umphumela uyashintsha ngokuhlukaniswa okuhlanganisiwe, umswakama, ukujiya kwesendlalelo, ukuqina komhlabathi osekelayo, amandla omshini kanye nesivinini sokuhamba. Inani lezigubhu zodwa alikwazi ukuphendula noma yimuphi umbuzo.
Umugqa wokuhlola unikeza indawo yokuqala ethembeke kakhudlwana. I-FHWA ichaza amageyiji okuminyana kwe-nuclear njengamathuluzi asheshayo, acishe angonakalisi okulinganisa umsebenzi womhlaba osendaweni, izinto ezihlanganisiwe kanye nobuningi be-asphalt. I-ejensi iphinde iphawule ukuthi lawa ma-gauge angasiza ekusunguleni umzamo ophumelelayo wokugoqa kanye nephethini yokudlula, kuyilapho ama-cores ahlolwe elebhu ehlala eyinkomba enembile kakhulu yobuningi bemigwaqo.
Isigubhu Esisodwa noma Isigubhu Esiphindwe Kabili: Umthetho Wokuthenga Owusizo
Khetha i-roller eyodwa ehamba ngemuva kwedrama uma ukuphathwa okuncane, ukuthutha njalo kanye nokusetshenziswa okuguquguqukayo emisebenzini emifushane ye-asphalt noma ye-granular kuyizinto eziza kuqala.
Khetha i-roller ehamba ngemuva kwedrama ephindwe kabili uma ukumbozwa komzila ohambisanayo, ukuqeda nge-asphalt kanye nesisindo somshini esiphezulu kuhambisana kangcono nomsebenzi.
Ngaphambi koku-oda, qhathanisa izinto zangempela, ukujiya kwezingqimba ezikhululekile, ubuningi bezinto eziqondiwe, ububanzi bokusebenza, amandla e-centrifugal, imvamisa yokudlidliza, uhlelo lwamanzi, ukususwa komphetho kanye nomkhawulo wokuthutha. Inani lezigubhu kusiza ekudaleni uhlu olufushane. Ishidi lokucacisa, kanye nomhlabathi ongaphansi komshini, kwenza isinqumo sokugcina.
imibuzo ejwayelekile ukubuzwa
Ingabe i-roller yedrama ephindwe kabili ihlala iqina kangcono?
Cha. Ububanzi be-ACE double drum bubodwa buhlanganisa amandla e-centrifugal angu-15–30 kN, okubonisa ukuthi ukusebenza kungahluka kakhulu phakathi kwemishini enesakhiwo esifanayo sedrum.
Ingabe isigubhu esisodwa singahamba ngemuva kwe-asphalt egoqekayo?
Yebo. Imodeli eyodwa yesigubhu efakwe ithangi lamanzi, i-scraper kanye nomphetho wesigubhu ofanele ingaphatha ukugoqwa kwe-asphalt nezinye izindawo ezincane ezigandayiwe.
Ingabe i-roller yedrama ephindwe kabili idinga amaphasi ambalwa?
Hhayi ngokuzenzakalelayo. Inani lokudlula lincike ezintweni ezibonakalayo, umswakama, ukujiya kwesendlalelo, isivinini, amandla omshini kanye nobuningi obudingekayo. Indawo yokuhlola iwusizo kakhulu kunenombolo eqondile ekopishwe kwenye indawo.
Yini okufanele inkampani yokuqasha iqhathanise?
Abathengi abaqashayo kufanele baqhathanise ukumbozwa kwesicelo, isisindo sokuthutha, izilawuli zokuphepha, ukufinyelela isevisi, izingxenye ezivamile zokuguguleka kanye nokugcinwa kohlelo lwamanzi. Umshini osebenza ezindaweni eziningi uwusizo, kodwa kuphela uma amakhasimende ekwazi ukuwuhambisa nokuwusebenzisa ngokuphephile.
