1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
m,kg
|
710
|
720
|
730
|
740
|
750
|
760
|
770
|
780
|
790
|
800
|
810
|
820
|
830
|
840
|
850
|
a,(m)
|
0.25
|
0.26
|
0.27
|
0.28
|
0.29
|
0.30
|
0.31
|
0.32
|
0.33
|
0.34
|
0.35
|
0.36
|
0.37
|
0.38
|
0.39
|
№
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
m,kg
|
960
|
970
|
980
|
990
|
1000
|
1010
|
1020
|
1030
|
1040
|
1050
|
1060
|
1070
|
1080
|
1090
|
1100
|
a,(m)
|
0.40
|
0.41
|
0.42
|
0.43
|
0.44
|
0.45
|
0.46
|
0.47
|
0.48
|
0.49
|
0.50
|
0.38
|
0.42
|
0.44
|
0.46
|
Oddiy haydov agregatining tortish qarshiligi, N:
Ra.pl = mgfm + kpl aVpl + s aVpl 2.
Ra. il= 700·9,81 ·0,15+0,7·105 ·0,3·1,05+0,8·1600·0,3·1,05 ·1,52=24000 N.
Traktorning II uzatmasida Pil.n= 2800 kg.k.= 28000 N.
Traktorning ilmoqdagi nominal tortish kuchidan foydalanish koeffitsientini aniqlaymiz:
ηil =Ra.pl / Pil.n = 24000/28000 = 0,86
Maksimal tortish quvvatidan foydalanish koeffitsienti
= Ra.pl /Nil.max= 24000·1,5/42000 = 0,86
Motorining ushbu yuklamada effektiv quvvati, kVt:
Ne= = = 57,8
Traktorning FIK: ηt = Nil/Ne =36 / 57,8 = 0,62.
Do'stlaringiz bilan baham: |