Esi sikhokelo sibanzi sikunceda ukuba ujonge imarike iikhreyini ezisetyenziselwa ukuthengiswa, enikezela ngemibono kukhetho, amaxabiso, ukuhlolwa, kunye nokusebenza ngokukhuselekileyo. Siza kujongana nemiba ephambili ekufuneka iqwalaselwe, siqinisekise ukuba wenza isigqibo esinolwazi ngeprojekthi yakho yokwakha. Funda indlela yokuchonga abathengisi abathembekileyo kwaye uphephe imigibe eqhelekileyo.
Isinyathelo sokuqala ekufumaneni okulungileyo i-crane esetyenziselwa ukuthengiswa kukumisela iimfuno ezithile zeprojekthi yakho. Cinga ngomthamo ofunekayo wokuphakamisa (kwiitoni) kunye nokufikelela okuphezulu okufunekayo ukugubungela indawo yakho yokwakha ngokufanelekileyo. Ukugqithisa okanye ukujongela phantsi ezi parameters kunokukhokelela ekungasebenzi kakuhle okanye umngcipheko wokhuseleko. Qhagamshelana neplani yeprojekthi yakho kunye neenjineli ukuseka iimfuno ezichanekileyo.
Iikhreyini zeTower ziza kwiindidi ezahlukeneyo, kubandakanya i-top-slewing, i-luffing jib, kunye ne-hammerhead cranes. Ngamnye uneempawu ezizodwa kunye nokufaneleka kwezicelo ezahlukeneyo. Iikhreyini ezihlabayo eziphezulu zibonelela ngobuchule obugqwesileyo, ngelixa i-luffing jib cranes igqwesa kwiindawo ezivaliweyo. Ubumbeko, kubandakanywa ubude be-jib kunye nobunzima, kufuneka kwakhona ulungelelanise imilinganiselo yakho yesayithi kunye neemfuno zokuphakamisa. Ukuqonda lo mahluko kuya kunceda ukunciphisa uphendlo lwakho lweyona nto ilungileyo itower crane esetyenzisiweyo.
Iminyaka a itower crane esetyenzisiweyo yinto ebalulekileyo enefuthe kwixabiso layo kunye nokuthembeka kwayo. Ngelixa iikhreyini ezindala zinokubonelela ngenzuzo yeendleko, zinokufuna ukulungiswa nokulungiswa okungakumbi. Ukuhlolwa ngokucokisekileyo kubalulekile; iimpawu zokuguga, umhlwa, okanye umonakalo kufuneka ziphakamise inkxalabo. Ukubhala imbali yolondolozo lwekhreyini kubalulekile. Khangela ubungqina bokusebenza rhoqo kunye nokuthotyelwa kwemimiselo yokhuseleko.
Zininzi iindlela ezikhoyo zokufumana iikhreyini ezisetyenziselwa ukuthengiswa. Iimarike ezikwi-Intanethi, abathengisi bezixhobo ezikhethekileyo, kunye neendawo zefandesi zibonelela ngoluhlu olubanzi lokhetho. Ukuqhagamshelana ngokuthe ngqo neenkampani zokwakha eziphucula izixhobo zazo nako kunokuvelisa iziphumo ezithembisayo. Nangona kunjalo, ukuhlolwa ngononophelo kubalulekile ukuphepha ukujongana nabathengisi abangathembekanga. Soloko uqinisekisa ukuba semthethweni komthengisi kunye namaxwebhu ecrane.
Cinga ngokuphonononga amaqonga e-intanethi ahloniphekileyo afana I-Hitruckmall – isixhobo esikhokelayo sezixhobo zokwakha ezisetyenzisiweyo. Banikezela ukhetho olubanzi lwe iikhreyini ezisetyenziselwa ukuthengiswa kunye nokubonelela ngezibonelelo ezixabisekileyo kubathengi.
Ngaphambi kokuba uthenge, uhlolo olubanzi lubalulekile. Oku kubandakanya ukujonga amacandelo ahlukeneyo, kubandakanywa i-jib, i-slewing mechanism, inkqubo yokunyusa, kunye neenkqubo zombane. Khangela naziphi na iimpawu zomonakalo, umhlwa, okanye ukuguga. Umhloli we-crane oqeqeshiweyo kufuneka enze uhlolo olucokisekileyo ukuqinisekisa ukuthembeka kwesakhiwo se-crane kunye nokhuseleko lokusebenza. Amaxwebhu aneenkcukacha zeziphumo zohlolo ayimfuneko.
Ixabiso le-a itower crane esetyenzisiweyo iyahluka ngokusekelwe kwizinto ezifana nobudala, imeko, imodeli, kunye namandla. Ukuphanda iimodeli ezifanayo kwimarike kuya kubonelela ngebenchmark yamaxabiso. Uthethathethwano ngumba oqhelekileyo wokuthenga izixhobo ezisetyenzisiweyo; qwalasela imeko yecrane, ubomi bayo obushiyekileyo, kunye naluphi na ulungiso oluyimfuneko xa usenza umnikelo wakho.
Emva kokuba ufumene eyakho itower crane esetyenzisiweyo, ukubeka phambili ukhuseleko kunye nokugcinwa rhoqo kubaluleke kakhulu. Qinisekisa ukuba bonke abaqhubi baqeqeshwe ngokufanelekileyo kwaye baqinisekisiwe. Ukuhlolwa rhoqo kunye nokugcinwa kothintelo kuya kwandisa ubomi becrane kwaye kunciphise umngcipheko weengozi. Ukuthotyelwa kwayo yonke imimiselo yokhuseleko olufanelekileyo akunakuxoxwa.
| Umzekelo | Umthamo (iitoni) | Fikelela (m) | Uluhlu lwexabiso eliqikelelweyo (USD) |
|---|---|---|---|
| Liebherr 150 EC-B | 16 | 50 | (Iyaguquguquka-Khangela iMarike) |
| Potain MDT 218 | 10 | 40 | (Iyaguquguquka-Khangela iMarike) |
Qaphela: Amaxabiso aqikelelwa kwaye ayahluka kakhulu ngokuxhomekeke kwimeko kunye nokuguquguquka kwemarike. Qhagamshelana noluhlu lweemarike lwangoku ukuze ufumane amaxabiso achanekileyo.
Khumbula ukuba usoloko uqhuba inkuthalo ecokisekileyo phambi kokuba uthenge a itower crane esetyenzisiweyo. Ukubeka phambili ukhuseleko kunye nokuqinisekisa ukuthotyelwa kwayo yonke imimiselo efanelekileyo. Ukuphakanyiswa okumnandi!
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