Mmene Mungagwiritsire Ntchito Lali Khola (Adjustable Steel Column)

Kuyika zida zazitali kwambiri kungakhale kosavuta kumalo osambira kapena zipinda zapansi zazembera pansi. Zitha kugwiritsidwanso ntchito pang'onopang'ono kuti zikhale zolemetsa zolemera kwambiri pakukonzekera kukonza zina, monga kukonzanso kwakukulu kwa khoma kapena kukhazikitsa mawindo kapena zitseko zatsopano .

Mtundu wakale kwambiri wa chipilala chotsika kwambiri ndi gawo losasinthika lachitsulo lochepetsedwa mpaka kukula ndikudzaza ndi konkire.

Komabe, mawuwa akuphatikizanso maulendo ena ambiri a zitsulo zamatabwa: zitsulo zosinthika, zitsulo, ndi jack. Mawonekedwe osinthika amakhala ndi zipilala ziwiri zogwiritsa ntchito telescoping, chimodzi mkati mwa zina, zomwe zimasintha mmwamba kapena pansi kuti zithandize kanthawi kapena kosatha chitsimikizo chosavomerezeka .

Kawirikawiri imatchulidwa kuti "gawo la lolly," nkhaniyi inakhazikitsidwa chakumapeto kwa zaka za m'ma 1800 ndi John Lally ku Waltham, Massachusetts, ngati njira zosautsika ndi moto, njira zowonetsera tizilombo zothandizira nyumba pa malo ake otsika kwambiri. Cholinga chake chinali kudzazidwa ndi konkire ndi kukhazikitsidwa kuti zikhale zogwiritsidwa ntchito zowonongeka kuti zikhale zolemera mpaka mapaundi 44,600.

Zomwe Zili M'mizere ya Lally

Mmene Mungakhalire Lamulo Lali

Maofesiwa amatha kuganiza kuti mukukhazikitsa chingwe chosungunuka chachitsulo pamtunda wolimba wa konkire komanso pansi pazitsulo zolemera kwambiri monga mtanda wa laminated veneer lamber (LVL) .

  1. Pezani mtunda wokhoma kuti ugawidwe. M'kalasi iliyonse ya chigawo chachikulu, pali kusiyana kwa makina osakaniza. ChizoloƔezi cha kusintha kwake kawirikawiri ndi masentimita 4. Mwachitsanzo, ngati mukufuna kuthandizira mtengo womwe uli wamtali mamita 8, mungagule khola lalitali lomwe limatuluka kuchokera mamita asanu ndi awiri, mamita asanu ndi awiri mpaka mamita atatu. Ngakhale kuti chikhochi chingasinthidwe , mukufuna kuchepetsa kuchuluka kwa gawoli ngati momwe zingathere, chifukwa izi zimakhudza mphamvu zake.
  2. Onetsetsani mbale yachitsulo yosanjikizidwa kumunsi wa pansi pa LVL. Mabowo oyambirira kubowola ku LVL beam, popeza mabotolo amafunika kulumikiza mbaleyo ndi yayikulu mokwanira kuti iwononge mtanda. Tsopano kuti mwakhazikitsa malo a mbale yachitsulo, tengani.
  1. Onetsetsani mbale yachitsulo pamwamba pa khola lalitali.
  2. Sinthani makina awombera pamtunduwu kuti akhale pafupi 1/2-inch patali mtunda kuchokera pansi kufikira pansi pa thumba lonyamula katundu.
  3. Sungani gawoli m'malo. Fufuzani malangizo a wopanga maulendo kuti azitsogoleredwa. Zitsulo zina zosinthika zimayikidwa ndi makina akuwombera pamwamba, pamene ena amaikidwa pansi.
  4. Tembenuzani chingwe mpaka mzere wokhotakhota utha.
  5. Ngati kusintha kwa kayendedwe ka msinkhu kumachotsedwa, chotsani kunja kwa malo ndikuchiika pamalo otetezeka.

Ntchito Zophatikizapo Zomwe Zimakhudza Mzere Wozungulira

Lally Column Safety Measures

Zitsulo za Lally ndizosaopsa, zopanda phindu zitsulo zomwe zingathe kukhala zoopsa mwadzidzidzi zikagwiritsidwa ntchito molakwika. Pamene gawo lalitali lidaikidwa ngakhale pang'ono pokha kapena kuchoka pamtunda, likhoza kuwombera ngati rocket pamene ikugonjera kulemera kwa nyumba.