.
100 . . :
hp ;
a j , (. 8).
8 , , ,
=Iacos3a(cosql0sinq/h)/hp2, (36)
q - , ( ) (. 9);
a ' (. 9);
l , , (. 9);
Ia a, .
9 ooo ,
(. 10),
=Iacos3a/hp2. (37)
10
, (. 11) q=p /2,
=Ialocos3a/hp3=lo/hp. (38)
lo , , .
11
:
1 d/hp tga, a cos3 a, d , , .
2 a a.
3 (. 9-11) , (36-38).
4 , , .
|
|
5 ³ , :
F=1000/, (39)
, .
6 .
7 .
. 100 2 5 . F =1000 22. ϳ , , 250 . ( Θ=60) (. 12).
12
22
F =1000
a, | I a, | a, | I a, |
г. 5 . ³ . h=4,5 . . ³ d ϳ.
1 tga
.
2 a cos3a
a=38, cos3a=0,49.
3 Ia. 22 a=37 =1000 (Ia)1000 =214 ( Ia ).
4 (37). =1,5 , :
=Iacos3a/( hp2)=2140,49/(1,54,52)3,45 .
,
=4=43,45=13,8 .
5 , (39)
F=1000250/13,8=18116 ,
6 23 : -400, F=18000 .
7 :
=F /1000=43,4518000/1000=62 .
=4 =462=248 .
:
0,9 £ £ 1,2 .
23
w, | F, | , | |
-250 | |||
-500 | |||
-750 | |||
-1000 | |||
-80 | |||
-125 | |||
-250-2 | |||
-400 | |||
-700 | |||
-1000-2 |
8 (38). , , ,
|
|
=2l0/hp=2622,5/4,569 .
9 :
A=2(cosq+ l0sinq/h)=262(cos60+2,5sin60/4,5)122 .
10 . 23:
W=nw=4400=1600 .