33
bunda W
1
– panshaxasimon ish organli karetka va yukning ko’tarishga
qarshiligi, H; W
2
–
suriladigan rama bilan plunjer,
travesa va yukli
zanjirlar qarshiligi, N; W
3
– asosiy katoklarning yo’naltiruvchi bo’yicha
dumalanishiga qarshiligi, H; W
4
– yon katoklarning yo’naltiruvchi
bo’yicha dumalanishga qarshiligi, H.
Yuk ko’taradigan panshaxasimon
ish organli karetka, suriladigan
rama, plunjer, traversa va yukning qarshiligi quyidagicha aniqlanadi:
1
2
1
2
2
T
K
c
G
G
g
G g
W
W
, N,
(3.10)
bunda
G
K
– karetkaning panshaxasimon ish
organi bilan birgalikdagi
massasi;
G
T
– tashqi ramaning massasi;
G
s
suriladigan rama bilan plunjer
va traversa (roliklari bilan)
ning massasi;
1
2
–
zanjirli uzatma va
tsilindrning mexanik FIK Suriladigan rama bilan plunjerning massasi
с
c
т т l
, t
(3.11)
bunda
m – yuk ko’targichning 1m balandlikdagi holatiga to’g’ri
keladigan suriladigan rama bilan tsilindr plunjeri va traversa massasi;
l
c
– suriladigan rama uzunligi, mm:
l
c
=0,5H+a
1
+D
k
mm.
