, 1 - . 5 4. 5, ( 11).
11 , 5
5 , aD5.
G5 . R45 4 5 D,
, , 4.
R05 , , , k . 5, , : R45,R05 k. .
(, , +):
F+5-Rx45=0,
Fc (), ;
5 5;
Rx45 -
4 5.
5 = 5 * aD5,
m 5 5;
aD5 5.
5 =20*20,16=403,2 ()
, Rx45, :
Rx45 =Fc+5
Rx45 =1000+403,2=1403,2 ()
(, , +):
R05 - G5 + Ry45= 0,
R05 - ;
G5 5;
Ry45 - 4 5.
Ry45 = Rx45 * tan(1234`),
Rx45 4 5.
Ry45 = 1403,2*tan(1234`)=312.8()
G5 = m5 * g,
m5 5;
g , 9.81 /2.
G5 =20*9.81=196.2 ()
, R05 :
R05=G5- Ry45
R05 =196.2-312.8=-116.6()
4 5:
Rx45 4 5;
Ry45 - 4 5.
R45=542.9 ()
S5 5
( , , +):
-R05 * k + Ry45 * l S5D = 0,
R05 ;
k - 45 5;
Ry45 - 4 5;
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l S5D Ry45, 0.28 .
, k, :
k =0.75 ()
3 -2 ( 12)
R12 1 2 , . : Rτ12 - R12 , Rn12 - R12 . G2 2 . 2 2 2. 2 2 2. 3 3.
3 3 . G3 3 . R03 3 , . : Rτ03 - R03 , Rn03 - R03 . R43 4 D, , R43 , 4. R43 R45.
.
G2=m2*g
m2 - 2;
g - , 9.81 /2.
G2 = 13*9.81=127.53()
2= m2*as2
m2 - 2;
s2 2.
lAS2 - 2;
lAB - 2;
BA - .
s2= (/c2)
, :
2 =13*5.89=76.6 (H)
2 = Js2 * ℰ2,
Js2 - 2;
ℰ2 - 2;
2 =0.14*47,7=6.678 (*)
3 = Js3 * ℰ3,
Js3 - ;
ℰ3 - ;
3 =0.33*159=52.47 (*)
G3=m3*g
m3 - 3;
g - , 9.81 /.
G3= 18*9.81=176.58()
3 =m3* as3
m3 - 3;
S3 - .
lS3 - 3;
lCB - 3;
B - . 2 3.
S3 = (/2)
, :
3 =6.36*18=114.48 ()
2:
-Rτ12*lAB +G2*h2-2*h1 +2 =0,
Rτ12 - 1?12 ;
lAB - 2;
G2 - 2;
h2 - G2, ;
2 - 2;
h 1 - 2, ;
2 - 2.
Rτ12, :
Rτ12 = (H)
3:
Rτ03*l-G*h3+*h4--R43*h5 =0,
Rτ03 - R03 ;
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l - 3;
G - 3;
h3 - G3, 85.92 ;
3 - 3;
h4 - 3, 160;
3 - 3;
R43 - 4 3, R45;
h5 - R43, 47.96.
Rτ03, :
Rτ03= (H)
Rn12 Rn03 = 5 (/). :
- R12 ;
- R12 ;
- 2;
- 2;
- 4 3, R45;
- 3;
- 3;
- R03 ;
- R03 .
, , Rn12 92.06, , Rn03 137.5, :
Rn12 = 128,2* F
F - .
Rn12 =128,2*5=641()
Rn03 = 158.04* F
F - .
Rn03 = 158,04*5=790()
R12 R03. , , 92.3 138.6 , :
R12= 128,4* F,
F - .
R12 =128,4*5=641,8 ()
R03 = 149,4* F,
F - .
R03= 149,4*5=747()
2 R23( 13).
13 - , 3
, F = 5 (/). :
- 2 3;
- 3;
- 3;
- 3;
- 4 3, R45.
, , R23 110.5 , :
R23 = 110.5* F,
F - .
R23 =110.5*5=552.5 ()
-. 1, ( 14).
14 - , 1
R21 2 1, R12 1ry ; R01, , ., .
. 1 :
G1=m1*g
m1 1;
g , 9.81 /'.
G1 = 7*9.81=68.67()
. O:
- . + R21 * h0 = 0,
, ;
R21 2 1, R12;
h0 R21, 30.58.
., :
= R21*h0
. = 641,8*30.58* =19,62(*)
R01 , F = 5 (/).
, 1, :
- 0 1;
1;
2 1, R12.
, , R01 41.16 ,
:
R01 = 41.16* F,
F - .
R01 = 41.16*5=205.8()
7. 7
Fc() | |
K() | 0.75 |
G1() | 68.67 |
G2() | 127.53 |
G3() | 176.53 |
G5() | 196.2 |
2() | 76.6 |
3() | 114.48 |
5() | 403.2 |
R01() | 205.8 |
R12() | 641,8 |
R23() | 552.5 |
R03() | |
R43() | 542.9 |
R45() | 542.9 |
R05() | 116.6 |
M. (*) | 19,62 |
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