TCVI\l rrEu cHuAru vlEr NAM

TCVN 7551 : 2005

ISO 2374: 1983

Xuil bin ldn 1

si

THIET BI NANG -

oAy rfu loN NnAr cHo cAc rvrAu cAr,r rRUc co eANt

Lifting appliancies -Range of maximum capacities for basic models

c6nc ry co pnAr.r rdrvr oNn vA^'lmrAN Lr.rYEN KTAT LAoDQNG

\ a At ..t

TAI LIEU KIEM SOATso,.fa *T.:zll..TK-iW

Ij

t

Ir

.

TCVru ?s$x : USSS

Ldi n6i ddu

TCVN 7551 : 2005 hoin toin t&lng drJtlng ISO 2374 : 1983.

TCVN 7551 : 2005 do Ban k! thuqt ti6u chr.rdn TCVN/TC 96 Cdn cdu

bi6n soan, Tdng cr,rc Ti6u chudn Oo h.tBng Chdt lugng dld nghi, Bg Khoa

hgc vi Cdng nghQ ban hAnh.

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TrEu cHuAru vlEr NAM TCVII 7551 : 2005

cdnic.ry cc, priAN rct'u trNr{UHUATV I-UyEW KTAT r-eo oolrc

ldn 11

, Thidt bi ning - Diy tii l6n nhdt cho c6c miu cdn trgc cd bin

, Range af maximum capacities for basic models

1 Phgm vi vi linh vgc 6p d'gng

,pTi€u chudn ndy qui dinh diy tii l6n nhdt trr 0,1 cfdn 1000 tdn cfra cdn truc.

Ti€u chudn niry 6p dung cho tdt cA c6c kidu cdn truc.

2 Dlnh nghia

Ti6u chudn nAy drp dung c6c dinh nghla sau:

2,1

Tii l6n nhdt, tii lim viQc an toin (maxirnum capacity; safe working load)

TAi l6n nhdt dtroc treo tr6n thidt bi ning d5 dugc dinh nghTa theo ttfig kidu cdn truc cu thd va dttpc

phin nh6m theo didu ki6n qui dinh.

Edi v6i thidt bi nAng kidu cdn, tii l6n nhdt duoc x6c dinh tai chidu diri cdn vi b6n kinh quay cAn nh6

nhdt cho ph6p ddi v6i kdt cdu ldm vi6c crla thidt bi.

CHU THiCH: "Tii l6n nhdt" c6 nhidu tttcl6ng nghia nhu'tai lim vi6c an toAn",'tii ning";tuy nhi€n n6n r,nr ti6n s&

dqng "tiil6n nhdt".

2.2

Miu c€n tnlc co bin (basic model)

Dang thidt bi n6ng chinh c6 thd ph6t tridn ra cAc dang thidt bi nAng kh6c, ch0ng khdc nhau vd chidu

diri cdn vi/hoflc th6p, kidu co c€iu di chuydn, hB thdng d5n c6p v.v... vd tai l6n nhdt dugc x6c dinh bdi

tinh to6n thidt k6.

feVN 7551 : l&CIs

3 Dny cic tii l6n nhdt cho c6c miu cdn trr,rc co bin

Diy c6c tai qn nhdr gdn phi hgp v6i gi6 tritrong BAng 1

Blng 1 - Tai ldn nhdt cho c5c miu ciln tryc co bin

100

(112')

125

(140)

160

(180)

200

225)

250

(280)

320

(360)

+UU

(450)

500

(560)

630

(710)

800

(e00)

CHU THiCH: N6n tr6nh dirng cric gi6 tri cira tAi t6n nhdt cft.toc cho trong ngoic ddn.

1000

Gi6 tritinh bing tdn

10

(11,2)

12,5

(14)

16

(18)

20

(22,5)

25

(28)

32

(36)

4U

(45)

50

(56)

63

(71)

80

(e0)

0,1

0,1 25

0,16

0,2

4,25

0,32

0,4

0,5

:

0,63

0,8

I

1,25

1,6

2

2,5

3,2

4

5

6,3

I

':r

i-