Chapter13 1
KYÕ THUAÄT NAÂNG-VAÄN CHUYEÅN
CHÖÔNG 13
MAÙY VAÄN CHUYEÅN LIEÂN TUÏC
KHOÂNG COÙ BOÄ PHAÄN KEÙO
( Tractionless - type conveyors)
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Chapter13 2
1. GIÔÙI THIEÄU
This heading cover gravity- type
installations vibrating and oscillating
conveyor, screw conveyors, pneumatic
handling systems and some other
equipment
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Chapter13 3
2. THIEÁT BÒ TROÏNG TRÖÔØNG
(Gravity-type conveyor)
Ñoäng naêng ôû vò trí cuoái
Ñònh luaät baûo toaøn coâng
Vôùi
)105 (ββ o
ms
2
.
2
0
2vv
g
G
LfG
vv
g
Gcos.sin
2
.
2
0
2
sin
H
L
2
0
vhctg.f1g2v
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Chapter13 4
3. BAÊNG LAÊN
( Gravity roller conveyors )
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Chapter13 5
BAÊNG LAÊN
Löïc caûn ma saùt ngoõng truïc
Löïc caûn laên cuûa vaät theo chieàu laên
Löïc caûn phaùt sinh khi vaät tröôït
theo chieàu laên
Toång löïc caûn
Goùc nghieâng nhoû nhaát cuûa
baêng ( töø Gsin .D/2=F.D/2 –tính
F khi coù goùc nghieâng baêng)
D
d
fiGGF 1r1
D
2
GF 2
gL
iv
GF r
r
2
3
)(2
1
1
2
i
D
d
f
gL
iv
G
G
fd
D
tg rr
Vaät khoâng phaúng vaø meàm
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