GRADJEVINSKA MEHANIZACIJA

Visoka gradjevinsko-geodetska skola

SAMOSTALNI RAD

Predmet: Gradjevinska Mehanizacija

Tema: Karta,siri izbor masina Siri izbor masina

Broj grupe masina

VRSTA

MASINE

RADNA OPERACIJA

ISKOPUTOVARTRANSPORTISTOVARRAZASTIRANJEFINO PLANIRANJEKVASENJEKOMPAKTIRANJE

1BAGER

ISTOVARIVAC POZADI

LAKSI BULDOZER

GREJDER

AUTOCISTERNA

VUCENI VIBRO JEZ

VIBROPLOCA

2BULDOZER

UTOVARIVAC

ISTOVARIVAC POZADI

LAKSI BULDOZER

GREJDER

AUTOCISTERNA

VUCENI VIBRO JEZ

VIBROPLOCA

3SKREPER

BULDOZER POMOCNI

GREJDER

AUTOCISTERNA

VUCENI VIBRO JEZ

VIBROPLOCA

PRORACUN PRAKTICNIH UCINAKA IZABRANIH MASINA

BAGER SA CEONOM KASIKOM

Tip: 14.OKTOBAR

UB-600

Snaga(N)

44kW

Zapremina radnog organa(q)

0,6m

Koeficijent efektivnog radnog vremena(Kv)

0.80

Koeficijent punjenja radnog organa(Kp)

0.80

Koeficijent gradilista(Kg)

0.84

TRAJANJE CIKLUSA:(Tc)

26sec.

Praktican ucinak masine(Up)

Up=3600/26*0.6*0.80*0.80*1.00*0.84=44.66/hISTOVARIVAC POZADI

Tip: W ABCO

35C

Snaga(N)

300kW


22.20m

Transportna daljina(L)

1800m


0.80

Koeficijent rastresitosti materijala(Kr)

0.80


0.90


Brzina transporta pune masine (V pune)

11.6km/h

Brzina transporta prazne masine(Vprazne)

28.6km/h

Vreme utovara(tu)

4min

Vreme istovara(ti)

2.0min

Vreme manipulacije(tm)

0.50min

Vreme transporta pune masine

tt-pune=1.8/23.2*60=4.65min

Vreme transporta prazne masine

tt-prazne=1.8/57.2*60=1.88min

TRAJANJE CIKLUSA

Tc=4+4.65+2.0+1.88+0.50=13.03min


Up=50/13.03*22.20*0.80*0.80*0.90=32.63 m/h

LAKSI BULDOZER

Tip: CATERPILLAR

D5

Snaga(N)

77.50kW


1.8m

Maksimalna brzina masine(Vmax)

10.0km/h


0.90


0.80

Koeficijent nagiba terena(Kn)

1.0


Vreme transporta(tt)

0.40min

Vreme razastiranja(tr)

0.6min

Vreme manipulacije(tm)

0.40min

Vreme povratka(tp)

0.20min

TRAJANJE CIKLUSA

Tc=0.40+0.6+0.20+0.40=1.6min


Up=50/1.06*1.8*0.90*0.80*0.85*1.00=34.42/h

GREJDER

Tip: CATERPILLAR

14G 134

Snaga(N)

4.27kW

Debljina sloja koji se razastire(d)

0.20m

Broj prelaska masine preko istog mesta(n)

6

Radna brzina masine(V)

6000m/h


0.80


0.80

Sirina radne trake:(B)

Duzina ralice noza(b)

0.69m

Ugao radnog organa u odnosu na ravan kretanja

=30 B=0.69*cos30=0.6m


Up=((0.50-0.20)/6)*0.80*0.80=51.2/h

VIBRO JEZ VUCENI

Tip: MARINI

59I/T

Snaga(N)

37kW

Radna brzina masine(V)

3000m/h

Sirina valjanja(V)

2.36m


0.80


0.80

Radna tezina masine(Q)

98kN

BROJ PRELAZA(n)

Potrebna energija(C)

1.5*10kN/m

Debljina zbijenog sloja(d)

0.13m

Potrebna vucna sila()

40% mase jeza

BROJ PRELAZA

n= (1.5*10*2.36*0.13)/(0.4*98)=11.712


Up=(2.36-0.20)/12)*0.13*3000*0.8*0.80=44.93m/h

SKREPER

Tip: CATERPILLAR

613

Snaga(N)

112kW


16.80 m


0.95


0.95


2.00


Vreme utovara(tu)

1.2min

Vreme istovara(ti)

0.7min


28min

Vreme povratnog transporta(tpt)

16.8min

Vreme obrtanja(to)

0.6min

TRAJANJE CIKLUSA

Tc=1.2+28+0.7+16.8+2*0.6=22.14 Praktican ucinak masine(Up)

Up=(50/22.14)*16.8*0.95*0.95*2.00=51.88/h

``

BULDOZER Tip: KOMATSU

D353-A

Snaga(N)

301.50kW

Iskop zemlje

III kategorija

Duzina otkopa(Ik)

6m


5.1m

Debljina sloja kopanja(d)

0.20m

Sirina raonika(b)

4.31m

Brzina kopanja(V)

5km/h


0.80


0.80


0.85

Koeficijent nagiba terena(Kn)

1.00


Vreme kopanja(tk)

0.072min

Vreme razastiranja(tr)

0min


0.225min

Vreme povratka(tp)

0.156min

Vreme manipullacije(tm)

0.5min

TRAJANJE CIKLUSA

Tc=0.072+0.225+0+0.156+0.5=0.95


Up=(50/0.95)*5.1*0.80*0.80*0.85*1.00=146.02/h

UTOVARIVAC

Tip: FRISH

F900

Snaga(N)

74kW


1.8m


0.80


0.80


1.00

TRAJANJE CIKLUSA(Tc)

1.10min


Up=(50/1.10)*1.8*0.80*0.80*1.00=52.36m/h

PRORACUN KOSTANJA EFEKTIVNOG SATA RADA MASINA ZA ZEMLJANE RADOVE

bager sa ceonom

kasikom

14 OKTOBAR

UB-600istovarivac pozadi

WABCO 35 Claksi buldozer

CATERPILLAR

D5

grejder

CATERPILLAR

14 G 134

NV[din]2.93*10

1.9*10

1.05*10

2.00*10

Jt[din]2.93*10

1.96*10

1.05*10

2.00*10

hgr[h]980980980980

ERS[din/h]15.0015.0015.0015.00

CEN din/h4.474.474.474.47

No[kW]4430077.50427

gs0.1800.1200.1650.125

Ko0.600.550.650.50

qEN4.75219.88.31226.69

EEN[din/h]21.2488.5137.15119.29

CMAZ[din/l]50505050

gMAZ0.00840.00310.00460.0035

qMAZ0.220.510.230.74

EMAZ[din/h]11.0925.5711.5937.36

p0.450.500.550.50

ETO[din/h]87.9065.3338.5066.67

EHAB[din/h]EHAB ETO=87.90EHAB=65.33EHAB ETO=38.50EHABETO=66.67

EE[din/h]223.13204.31140.74304.99

hEK[h]10000150001500015000

EAM[din/h]293130.6770133.33

hg[h]1834200018341834

EINV[din/h]239.64160.3085.88163.58

EKIOS[din/h]159.76106.8757.25109.05

EOS[din/h]692.40397.84213.13405.96

0.400.400.400.40

Kh[din/h]1311.63863.01506.131015.74

vibro jez-vuceni

MARINI 59 VTskreper

CATERPILLAR

613buldozer

KOMATSU

D 353A

utovarivac

FRISH F 900

NV[din]0.22*10

1.22*10

4.46*10

1.76*10

Jt[din]0.22*10

1.22*10

4.46*10

1.76*10

hgr[h]980980980980

ERS[din/h]15.0015.0015.0015.00

CEN din/h4.474.474.474.47

No[kW]37112301.5074

gs0.1650.1550.1600.180

Ko0.800.650.650.55

qEN4.88411.28431.367.33

EEN[din/h]21.8350.44140.1632.75

CMAZ[din/l]50505050

gMAZ0.00460.00350.00370.0059

qMAZ0.140.250.730.24

EMAZ[din/h]6.8112.7436.2512.01

p0.450.450.550.60

ETO[din/h]6.636.60163.5330.40

EHAB[din/h]EHAB ETO=6.6EHABETO =36.60EHAB ETO=163.53EHABETO=30.40

EE[din/h]56.84151.38518.47120.56

hEK[h]15000150001500015000

EAM[din/h]14.6693.85297.3358.46

hg[h]1834183418341834

EINV[din/h]18.0099.78364.7862.16

EKIOS[din/h]12.0066.52243.1841.44

EOS[din/h]44.66260.159.5.29162.06

0.400.400.400.40

Kh[din/h]144.34588.592038.77403.42

PRORACUN KOSTANJA EFEKTIVNOG SATA SKREPERA

CATERPILAR 613

Kh= Jt/ hgr + (EE + EOS)*( 1+)

=0.40

NV=1.22*10 din

No=112 kw

KO=0.65

CEN= 4.47 din/kWhCMAZ=50 din/l

Jt=0.01*1.22*10=1.22*10

ERS=15 din/h

EEN=112*0.155*0.65*4.47=50.44 din/h

E MAZ=112*0.0035*0.65*50=12.74 din/h

ETO=0.45*(1.22*10)/15000=36.60 din/h

EHABETO=36.60 din/h

EE=15+50.44+12.74+36.60+36.60=151.38 din/h

EAM=(1.22*10)/13000=93.85 din/h

EINV=0.15*(1.22*10)/1834=99.78 din/h

EKIOS=0.10*(1.22*10)/1834=66.52 din/h

EOS=93.85+99.78+66.52=260.15 din/h

Kh=12200/980+(151.38+260.15)*(1+0.40)= 588.59 din/h

Uzi izbor masina

Broj grupe masina

VRSTA

MASINE

Up[m3/h]

broj masina [n]n* Up[m3/h]

Kh[din/h]n* Kh[din/h]

C(din/m3)

1BAGER44.6144.61311.631311.635895.4744.93131.20

ISTOVARIVAC POZADI32.63265.26863.011726.02

LAKSI BULDOZER34.42268.84506.131012.26

GREJDER51.2151.21015.741015.74

AUTOCISTERNA45.0145607.77607.77

VUCENI VIBRO JEZ44.93144.93144.34144.34

VIBROPLOCA50.0150.077.7177.71

2BULDOZER146.021146.022038.772038.776519.944.93145.09

UTOVARIVAC52.36152.36403.42403.42

ISTOVARIVAC POZADI32.63265.26863.011726.02

LAKSI BULDOZER62.35162.35506.13506.13

GREJDER51.20151.201015.741015.74

AUTOCISTERNA45.0145.0607.77607.77

VUCENI VIBRO JEZ44.93144.93144.34144.34

VIBROPLOCA50.00150.0077.7177.71

3SKREPER100.521100.52588.59588.593446.4144.9376.69

BULDOZER POMOCNI62.352124.7506.131012.26

GREJDER51.202102.41015.742031.48

AUTOCISTERNA45.00290607.771215.54

VUCENI VIBRO JEZ44.93289.86144.34288.68

VIBROPLOCA50.00150.0077.7177.71

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GRADJEVINSKA MEHANIZACIJA

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