1, Njengoba i-hoist crane isebenzisa i-asynchronous cone brake motor enezigaba ezintathu njengedivaysi yamandla, indlela egijimayo ye-asynchronous motor yezigaba ezintathu ihlobene nokulandelana kwesigaba sokuphakelwa kwamandla.Lapho ukulandelana kwesigaba sokunikezwa kwamandla kushintsha, isiqondiso sokugijima se-motor siphambene nesiqondiso sokuqala.Ngalesi sikhathi, lapho inkinobho ethi "phansi" ye-switch ye-opharetha icindezelwa, i-spreader izokhuphuka, futhi umkhawulo wesikhundla somkhawulo okhuphukayo ngeke usebenze, ngakho-ke kulula ukubangela izingozi.Izingozi zokuphahlazeka njengokuchotshozwa kwesigubhu, ukukhishwa nokuguqulwa kweqembu le-hook, nokuphuka kwentambo yocingo kuzokwenzeka ngenxa yesigaba esingalungile.Kodwa-ke, ama-CD kanye ne-MD kagesi okunyuswayo akhiqizwayo njengamanje futhi asetshenziswa kabanzi ezweni lakithi awahlomekile ngezinyathelo zokuvikela ukwehluleka kwesigaba esingalungile (okudingeka ukuthi zifakwe ezingeni likagesi lokukhuphuka), futhi kunezingozi ezithile ezifihliwe.Ezibalweni zempendulo yocwaningo, kutholwe ukuthi ukwehluleka okudalwe umhlahlandlela wezintambo kanye nendawo yomkhawulo womlilo kubalele ku-20.3% kanye no-17.1%.Ngaphezu kwalokho, ekusetshenzisweni kwe-hoist kagesi esanda kufakwa ngonyaka odlule we-1, kutholakala ukuthi ngenxa yokuntuleka kokuvikelwa kokulandelana kwesigaba, i-topping akhawunti ye-30.5%.Ukuze uvimbele ingozi yokulimala ebangelwa isigaba esingalungile, isivikeli sesigaba esingalungile kufanele sengezwe ebhokisini lokulawula i-hoist kagesi.I-crane ayikwazi ukuqhubeka nokusebenza kuze kube yilapho ugesi ubuyela kokujwayelekile.Ngale ndlela, ayikwazi nje ukuvimbela ukuphakanyiswa okubangelwa isigaba esingalungile sokunikezwa kwamandla, kodwa futhi kuvimbele injini ukuba ingashi lapho isigaba singekho.
2, Amaphutha adalwa isondo elihambayo kanye ne-passive wheel account ku-2.1% wezingxenye ezinephutha.Ngesikhathi sokusebenza kwe-hoist kagesi, ngenxa yokugqoka kwesondo lesondo kanye nokunyathela kwesondo, igebe phakathi kwesondo nethrekhi liyakhula kancane kancane.Uma igebe lokugijima lingakwazi ukulungiswa ngesikhathi ngalesi sikhathi, i-hoist kagesi ingase iwe isuke ethrekhi futhi ibangele ingozi yokulimala.Ngesikhathi esifanayo, ngenxa yobuchwepheshe bendawo yokuhlangana kwesondo ne-axle, ukuqhekeka kwe-axle akulula ukutholakala.Lapho umfantu ungalawuleki ngokuphumelelayo, i-ekseli ingase iphuke futhi ibangele ingozi yokuwa.Ukuze uvimbele ukwenzeka kwengozi yokuwa kwe-electric hoist ebangelwa yilokhu, idivayisi yokuvikela i-anti-shaft breaking ingangezwa endaweni efanele ye-hoist kagesi.Ukwenzeka kwezingozi zokulimala okubi kakhulu.
3, Ngokuvumelana nezinhlinzeko ze-GB 6067-1985 “Imithetho Yokuphepha Yemishini Yokukhuphula”, amabhafa kufanele afakwe ekugcineni kwethrekhi yokukhuphuka kagesi, kodwa akukho ukuhlinzekwa okuqondile kwendawo yokufaka.Njengamanje, isigcinalwazi se-hoist kagesi esetshenziswa ezweni lami ngokuvamile sifakwe phakathi nendawo ye-I-beam.Lapho isondo eligijimayo le-hoist kagesi lishayisana ne-buffer, isigcinalwazi sidlala indima yokumunca amandla.Kodwa-ke, ngenxa yemininingwane yesakhiwo sokuphakamisa ugesi, lapho irimu lesondo eligijimayo lishayisana nesigcinalwazi, ngaphansi kwesenzo se-inertia, irimu yesondo igqoka isigcinalwazi ngokubucayi kakhulu.Ngemuva kokuthi i-hoist kagesi isebenze isikhathi esithile, isilondolozi sizolahlekelwa inani laso langempela.Ezinye izici zokuklama zandisa izici ezingaphephile ngesikhathi sokusebenza kwe-hoist kagesi, futhi ukuzinza kwehla kakhulu.Ukuze uvimbele lokhu kwehluleka, indawo yokufakwa kwe-buffer ingakhethwa endaweni ephansi ye-I-beam, futhi ukungqubuzana phakathi kwe-buffer kanye nepuleti lendlebe lokumisa i-electric hoist lingasetshenziswa ukuvimbela, ngaleyo ndlela kwelule insiza ngempumelelo. impilo ye-buffer.
4, Mayelana nesakhiwo se-hoist kagesi, nakuba idizayini yesakhiwo sentambo kagesi yohlobo lwe-CD ithuthukiswe kakhulu uma iqhathaniswa nentambo kagesi yohlobo lwe-TV, ukubukeka kwayo kubuthakathaka, isakhiwo esiyindilinga asilungele ukufakwa futhi ezokuthutha, kanye nokuma kwe-hoist kagesi kubi.Imikhawulo ivimbela kakhulu izinguquko zohlobo lwesisekelo.Futhi izintambo zikagesi zakwamanye amazwe ngokuvamile ziyi-square design design, engeyona nje enhle futhi kulula ukuyifaka nokuthutha, kodwa futhi ijwayele ukuklama i-modular design, elungele ukuhlanganiswa nokuguqulwa kwezinhlobo eziyisisekelo, ezinweba kakhulu ububanzi. yokusetshenziswa.Kunconywa ukusebenzisa intambo yensimbi yensimbi ephezulu futhi enamandla.Ngokwezidingo ezijwayelekile ze-GB/T 3811-2008 “Code for Design of Cranes”, ngaphansi kwesisekelo sokwanelisa isici sokuphepha samandla aqinile, ububanzi bentambo yensimbi kufanele buncishiswe ngangokunokwenzeka, futhi okufanele. Ububanzi besigubhu kanye nobubanzi bentambo yocingo kufanele kusetshenziswe.isilinganiso kanye nesilinganiso sobubanzi be-pulley nentambo yocingo, ukuze kuncishiswe isakhiwo nesisindo somshini wonke.Mayelana nomklamo womumo, kunconywa ukuthi uguqule umklamo oyindilinga wendabuko, wamukele isakhiwo esiyisikwele, ukwakheka kwe-modular, ukhuphule ukuguquguquka kwezingxenye, futhi uguqule ukwakheka kusuka kufomu lokuqala le-motor-intermediate shaft-reducer-reel libe yinjini - Ukuhlelwa kwe-reducer-reel kunenzuzo ukuthuthukisa ukuphakama kokuphakamisa kwentambo kagesi, ukugwema ukudluliswa kwe-shaft ye-shaft yesivinini esikhulu, ukuthuthukisa ukuqina nokuthembela kokugijima, nokunciphisa ngempumelelo izindleko zokukhiqiza nokwandisa ububanzi be-pulley , ukuthuthukisa ububanzi bendawo yokuma- ukusetshenziswa yedwa.
I-5, I-hoist kagesi inokushiyeka enjini esekelayo.Kungabonakala etafuleni lezinto ezingalungile ukuthi ukukhubazeka okubangelwa i-akhawunti yemoto ku-6.6%.Ngenxa ye-conical rotor motor ehambisana nohlobo lwe-CD wire hoist kagesi, isivinini esisodwa siyizigaba ezi-4, isivinini esiphindwe kabili singu-1/10 womshini kamama, kuyilapho intambo kagesi yangaphandle ithatha i-2-pole motor, futhi ijubane eliphindwe kabili lithatha izigaba ezimazombezombe neziguquguqukayo.Ngale ndlela, isakhiwo silula, ivolumu incane, futhi isisindo sokuzimela silula, okuzuzisa ukunciphisa izindleko zokukhiqiza.Ukwengeza, uma kuqhathaniswa nezixhumi zikagesi zezintambo zangaphandle, kukhona igebe elikhulu phakathi kwezinga lokuhlukanisa, izinga lokuvikela kanye nomsindo we-CD yohlobo lwezintambo zikagesi ezihambisana nenjini.Kunconywa ukusebenzisa ama-motor rotor angu-2, 4, kanye ne-6-pole conical rotor ekukhethweni kwezinjini ukuze zivumelane nezimo ezihlukahlukene zokusebenza.Izinga le-insulation lemoto liyanyuswa libe ngu-F no-H, izinga lokuvikela liyakhushulelwa ku-IP54, futhi injini inikezwa izingxenye zokuvikela ukushisa ngokweqile.Ngaphezu kokuthuthukisa ukwakheka, ukucubungula kanye nokunemba kokukhiqiza kwemoto, ukuncishiswa komsindo wemoto kufanele futhi kubhekwe ekwakhiweni.Cabangela ukwehlisa umsindo we-electromagnetic kanye namapayipi omoya Izilinganiso zamanje zomsindo we-Eddy.Ukwakhiwa kwenjini kufanele futhi kulandele isimiso sokuhlukaniswa kwezinga lomsebenzi ukuze kuthuthukiswe ukusetshenziswa komshini owodwa.
6, Kungabonakala endaweni enephutha ukuthi amaphutha abangelwa i-akhawunti ye-AC contactor engu-10.3%.Oxhumana nabo be-electric hoist contactor ekhona kulula ukuvutha.Isizathu siwukuthi ukushisa okulingana kwamanje kwenjini enomsebenzi ophindaphindiwe wesikhathi esifushane kukhulu kakhulu.Ukwengeza, phakathi nenqubo yokuguqulwa, ukuguqulwa kuyashesha kakhulu, futhi i-arc freewheeling ye-contactor nayo ingase ibangele ukujikeleza okufushane phakathi kwezigaba futhi kushise oxhumana nabo be-contactor.Ngokuvamile, ukusebenza kwamanje kwe-motor kungaphansi kwe-current rated, nakuba i-current current i-4 kuya ku-7 izikhathi zamanje ezilinganiselwe, kodwa emva kwakho konke, isikhathi sifushane kakhulu, futhi umonakalo kothintana nabo awukhulu.Lapho uklama i-contactor, inqobo nje uma umthamo wokuxhumana mkhulu kunomthamo okaliwe wenjini.1. 25 izikhathi.Kodwa-ke, i-electric hoist motor iyinjini esesimweni esikhethekile sokusebenza, eqala futhi ima njalo ngaphansi komthwalo osindayo, ukubhuleka kokuxhuma okubuyela emuva, kanye nokungashisi kahle ukushisa.Ngakho-ke, lapho ukhetha i-electric hoist contactor, ngokusho komklamo jikelele we-motor, ayihlangabezani nezici zangempela zokusebenza ze-hoist kagesi, futhi ukushiswa kwe-contactor kuwumphumela ongenakugwemeka.Kutuswa ukuthi kushintshwe isixhumi somthamo omkhulu, umthwalo wokushaqeka we-hoist kagesi, nomthwalo osindayo, ukuqala nokuma njalo, kufanele kukhuphule umthamo wamaleveli angu-2 lapho kukhethwa isixhumi.
I-7, I-hoist kagesi kufanele yengezwe ngezinyathelo zokuvikela ugesi.Ngokungeziwe ekuvikelweni komkhawulo ongaphezulu naphansi, ukuvikelwa kokulayisha ngokweqile, ukuvikelwa kokwehluleka kwesigaba nokuvikelwa kokulahlekelwa kwamandla kagesi nakho kufanele kwengezwe.Yakha amamodeli anemisebenzi eminingi yokubhuleka njengalokhu: ibhuleki eliphindwe kabili (i-motor cone brake wheel brake + high-speed shaft compensation brake), 3 brake cone wheel brake + high-speed shaft compensation brake + reel isango lokuphepha).Ekukhetheni impahla yegayidi yezintambo, impahla yomhlahlandlela yezintambo ezingagugi kakhulu futhi enamandla aphezulu kufanele ikhethwe ngangokunokwenzeka ukuze kuvinjwe izingozi ezifana nokufakwa phezulu okudalwe ukulimala komhlahlandlela wezintambo.
Isikhathi sokuthumela: Mar-07-2022