- May nang dan giim May nang ki~u cful
3.Cau t,o chung :.
Hinh vi! (Hinh 3-9) mo tli cfut tn,Ic thap I~p d(l.tc6 dinh co ddu thlip quay, dung xe con
di chuy~n tren cfut nfun ngang d~ thay d6i tdm vm. .
Than thap d~g gian thep khong gian, g6m nhi~u do~ I~p ghep I~ vm nhau bang m6i ghep bu long.
Ddu thap co th~ chuy~n dQng quay duQ'c tren do~ thap tren cung.
Cfut va cfut d(l.td6i trQng duQ'cI~p khap vm ddu thlip va duQ'c neo gift nfun ngang, co th~ hl;!xu6ng ho(l.cnang len duQ'c khi cfut thi~t.
Xe con mang v~t di chuy~n duQ'ctren ray nhiJ cap keo d~ thay d6i tdm vm. Pa lang nang v~t co cac pu Ii c6 dinh I~p tren xe con.
CQt rap n6i dUng d~ thay d6i chi~u cao Clla than thlip. Cac C(Jd.u:
Cfut tn,Ic thap lo~ nay co cac CC/ cAu nhu : C(JcAu nang hl;!v~t, C(JcAu di chuy~n xe con d~ thay d6i tdm vm, CC/ cAu quay. Vai cac C(JcAu nay, cfut tn,Ic thap co th~ v~ chuy~n hang trong vUng lam vi~c cua no la hinh tn,I xuy~n.
Tuy theo IOl;!i,cfut tn,Ic thap con co th~ co cac C(JcAu khlic nhu di chuy~n, nang hl;! cfut, di chuy~n d6i trQng, thay d6i chi~u cao than thap, v.v ...
4. each thaydaid\l cao:
Khi thi cong cfut n6i dai them than thap theo S\l phlit tri~n dQ cao cua cong trinh, khi thao do phai thao dfut cac do~ than thlip.
Co nhi~u cach thay d6i dQ cao, co th~ n6i dai than thap tir dinh thap, chan thlip ho(l.c gifta thap. Cfut tl\lC thap thi cong cac toa nha cao hang tram tfutg, ngum ta dung cach leo
san.
C(J cAutruqt nang thlip:
D~ truqt thap len cao ngum ta dUng xi lanh thuy l\lc, h~ tm pa lang cap ho(l.ctruy~n dQng blinh rang thanh rang.
N6i dai thap tir dinh thlip: )
Bi~n phlip nay th\lc hi~n atren cao nen khoIig an toan, rAtnguy hi~m cho cong nhan, linh huang d~n ti~n dQ vi phiU dirng l(li d~ th\lc hi~n tang dQ cao. 1.Ju di~m la co th~ neo phfut than thlip chk ch~ vao cong trinh. Bi~n phap nay thuang duQ'c dUngacfut tn,Ic thlip co ddu thlip quay.
N 6i dai thap tir chan thap:
Bi~n phlip nay th\lc hi~n tren m(l.tn~n nen an toan, khiiu chudn bi di~n ra tren m(l.tdAt nen cfut tn,Ic vdn hOl;!tdQng nang chuy~n v~t binh thuang, khong linh huang 16n d~n ti~n dQ thi congo Neo gift VilO cong trinh kho khan vi than thlip khong c6 dinh, co chuy~n dQng truqt len cao. Thuang dung cho cfut tl\lC thap co than thap quay.
Day la bi~n pbap dUng kba ph6 bi~n, vi tri uip them do~ thap co th€ la bdt kY ch6 ghep nao tren than thap.