Boris trofimov

ILOVA B
YUK TASHISH AMALIYASI TAHLILI NATIJALARI.
KICHIK MOSHINA TIZIMIDA

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ILOVA B
XUSUSIYAT XISOBLASH NATIJALARI
YUK YUKLASH UCHUN TONNA VA TONNA-KILOMETRLARDA
AVTOMOSHILALAR
V.I. USLUBIGA MUVOFIQ. NIKOLINA
Dastlabki ma'lumotlar: / _{r 1} - oldinga yo'nalishda yuk tashish masofasi , 15 km; 1 _r2 - 5 km; 1 _X - bo'sh yurish, 10 km; V _T - o'rtacha texnik tezlik, 20 km/soat; q y - ATSning haqiqiy yuklanishi, 5 t; t _n - avtomashinani avtomatik yuklash vaqti, 0,5 soat; T _n - rejalashtirilgan ish vaqti, 10 soat; t _e - transport vositasini tushirish vaqti , 0,5 soat; R - aylanish uchun kilometrdan foydalanish koeffitsienti, 0,5. Avtoulovlar birinchi yuklash uchun smena boshida barcha yuk punktlariga bir vaqtning o'zida xizmat ko'rsatadi.
Yo'nalish uzunligi 1 _M , km da:
^{im \u003d / gi + / x 2; (i)}
1 _M \u003d 15 + 5 + 10 \ u003d 30 km.
Aylanma vaqti, h:
t0 _{_} = ( - ) + 2t _yo'q ; (2)
V _T
. 30 . _
t0 _{_} \u003d ( -) + (0,5 + 0,5) • 2 \ u003d 3,5 soat 20
Birinchi sayohat vaqti, soat:
* e1 \ u003d ( f- ) + * _P in; (3)
. 15 . t _el \u003d ( -) + 1,0 \u003d 1,75 soat 20
Ikkinchi safar vaqti. h:
t _{e 2} =^ ) + t _m , (4)
v _T
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. 5 + 10.
t _e2 = ( ) + 1,0=1,75 soat
yigirma
ATSG ritmini aniqlash, h:
R = _Rmax _ \ R _n j ; Rej - _} , (5 )
bu yerda R _n j , R _e j mos ravishda ^-chi zveno bo'yicha yuklash va tushirish punktlari ishining ritmlari; Rmax _{_} - maksimal ish vaqti (yuklash
yoki yuklash).
R \ u003d R _max fo.5; 0,5} \ u003d 0,5 soat .
ATS guruhlarining barcha yuklash punktlariga bir vaqtning o'zida ATS etkazib berish bilan kichik ATSG ning o'tkazish qobiliyati
A ЄЄЄ
Va _e \u003d - . (6)
R
O'rtacha haydash vaqti, soat:
hepa = ± ; (J)
e
t \u003d - - \u003d 1,75,
bu erda Z ° - marshrut bo'ylab bir burilishda chavandozlar soni, birlik.
T _m =T _H - R ■ ( i - 1); (sakkiz)
bu erda / - ATC guruhining yuklash nuqtasiga kelishining tartib raqami; T _m - har bir ATS guruhining mumkin bo'lgan ish vaqti, h.
T _w \u003d 10 -0,5 - (1-1) \ u003d 10 soat;
T _M2 \u003d 10 - 0,5 • (2 - 1) \ u003d 9,5 soat;
T _m \ u003d 10 - 0,5 • (3 - 1) \ u003d 9,0 soat.
ATS safarlari soni

Zei _{_} =


+ Z'ei . _{_} (9)

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Z _e =

H
L
t _o
■ Zeo _{_} + Z _e ;
(o'n)

el


_{o'n bir}
3 , 5
•2 = 5 ta yurish.

6-sayohatni amalga oshirish imkoniyatini tekshirish (birinchi mashina yuklash uchun P _{1 da etkazib beriladi} :

AT _H = T _H -

H
L
t _o
t _{o -} t _e1 ;
(11)

AT _H =10-
₁₁
3 , 5
•3 , 5-1 , 75 = 1 , 75 soat.

uz2


^Va d2
V t J
+ t _yo'q ;
(12)

5 ^ _V 20y

Yangi

+ 1 , 0=1,25 soat.
AT _H = t _{eHl bo'lgani uchun} , ya'ni . 1,25 < 1,75; Z' _e =\, 77 _b da yuklanadigan birinchi guruhning birinchi mashinasi 6 marta harakat qiladi.
Buyurtmadagi vaqt uchun har bir avtomobilning tonnada ishlab chiqarish

e l
Qi ⁼ ^( Q' h ) i '
(13)

QHl _{_} \u003d 5-6 \u003d 30 tonna; QH2 _{_} = 5 • 5 = 25 t; QH3 _{_} = 5 • 5 = 25 t;
Qha \u003d 5-5 \u003d 25 tonna; QH5 _{_} \u003d 5-5 \u003d 25 tonna; QH6 _{_} \u003d 5-5 \u003d 25 tonna. Tonna-kilometrda ishlab chiqarish:
P i =(^)iZ _e il _s i+(qy)iZ _e2 l _s2 .
P _H1 = 5 • 1 • 3 • 15 + 5 • 1 • 3 • 5 = 300 t-km;
R _H2 =5-1-3-5 + 5-1-2-15 = 225 t-km;
R _nz =5-1-3-15 + 5-1-2-5 = 275 t-km;
P _H4 =5-1-3-5 + 5-1-2-15 = 225 t-km;
R _H5 = 5 • 1 • 3 • 15 + 5 • 1 • 2 • 5 = 275 t-km;
(o'n to'rt)

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R _H6 = 5-1-3-5 + 5-1-2-15 = 225 t km. Kichik ATSGda tonna-kilometrda umumiy ishlab chiqarish bo'ladi
R ₀ b _y = 300 + 225 + 275 + 225 + 275 + 225 = 1525 t km.
Jami: kichik ATSGda ma'lum sharoitlarda 155 tonna yuk tashish va 1525 t km masofani bajarish mumkin.
B.1-jadval - V _T o'zgarishi bilan ATS uchun Q va P ni solishtirish natijalari

V T , km / soat	Q , tonna		Burilish		P , t km			Burilish
	bitta	2	t	%		bitta	2		t km	%
13	yigirma	12	-9	-73,9		200	125		-75	-59,6
yigirma	25	16	-9	-55,8		275	172		-103	-60,1
27	30	21	-9	-45,6		300	218		-82	-37,5
34	30	25	-5	-19,3		300	265		-35	-13,4
41	35	30	-5	-17,8		300	311		11	3,5

Eslatma . 1 - prof usulida olingan natijalar. IN VA. Nikolina; 2 - ATSning notekis ishlashini hisobga olgan holda olingan natijalar
Jadval B.2 - o'zgarish bilan kichik ATSGda Q va P ni solishtirish natijalari
V _T

V T , km / soat	Q , tonna		Burilish		P , t km			Burilish
	bitta	2	t	%		1	2		t·km	%
13	125	122	-3	-2.2		1275	1019		-256	-25.1
20	155	134	-21	-15.5		1525	1177		-348	-29.6
27	180	146	-34	-23.2		1800	1334		-466	-35,0
34	185	158	-27	-17.1		1875 yil	1491		-384	-25.8
41	215	170	-45	-26.5		2175	1648		-527	-32,0

Eslatma . 1 - prof usulida olingan natijalar. IN VA. Nikolina; 2 - ATSning notekis ishlashini hisobga olgan holda olingan natijalar.
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Jadval AT 3 - natijalar taqqoslashlar Q va P uchun ATS da o'zgartirish t _pv

P in ,	Q , tonna		Burilish		P , t km			Burilish
	bitta	2	t	%		1	2		t·km	%
0,94	25	25	0	-0,1		225	180		-45	-24.7
0,99	25	22	-3	-13,0		225	169		-56	-33,5
1.04	25	19	-6	-29.6		225	157		-68	-43,7
1.09	25	16	-9	-52,0		225	145		-80	-55,5
1.14	25	o'n to'rt	- o'n bir	-83,8		225	133		-92	-69,5

Eslatma . 1 - prof usulida olingan natijalar. IN VA. Nikolina; 2 - ATSning notekis ishlashini hisobga olgan holda olingan natijalar.
B.4-jadval - Q va P o'zgarishi bilan kichik ATSGda solishtirish natijalari
t pv

P in ,	Q , tonna		Burilish		P , t km			Burilish
	bitta	2	t	%		bitta	2		t km	%
0,94	155	150	-5	-3.1		1525	1801 yil		276	15,3
0,99	155	137	-18	-12,8		1525	1611		86	5,3
1,04	150	125	-25	-20,4		1500	1420		-80	-5,6
1,09	150	112	-38	-34,2		1500	1230		-270	-21,9
1,14	150	99	-51	-51.6		1500	1040		-460	-44.3

Eslatma . 1 - prof usulida olingan natijalar. IN VA. Nikolina; 2 - ATSning notekis ishlashini hisobga olgan holda olingan natijalar.
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