O’zbеkiston rеspublik

ASOSIY APPARATNING HISOBI

Ammofos bo`yicha ishlab chiqarish quvvati G= 27,861 1/soat = 27861kg/soat.

Mahsulot namligi W_h = 0%;

Mahsulotni sochiluvchanligi zichligi j_m= 930 kg/m³;

Resurs kontakligi 1 : 3;

Pulpani namligi W_h = 35 %

Zarur bo`lgan quritish namligi suvni miqdoriga va qurishni intensivligiga qarab aniqlanadi.

A_v 44,9 g namlik 1 m³/soat

Suvni miqdorini aniqlaymiz.

Ko`rish zarur bo`lgan hajm

W_r = G_H2O / A_V=14713*44.9= 328.35 m³

Baraban quritgich donalashtirgichi D=1500 mm va uzunligi V=16,000 mm

Hajmi V_BF = 0,785 ∙ D²< 0,785 ∙ 4,5² ∙ 16+ 254,3 m³

Qabul qilinayotgan quritgichi zahira hajmi

Materialni qurishi jarayonida bo`ladigan zaruriy vaqtni aniqlaymiz.

Barabanni og`ish burchagi α = 3°С zonalpeniya (to`ldirgich darajasi).

U = 0,15 va retur z=3 barobar orqali returni farqi.

G_n=P(1+2)∙3600=1656(1+3)/3600=18,36

Materiallarni barabanda bo`lish vaqti.

I=0.785∙1.5 m² 16 ∙1160∙ 0,5/ 18,36 min.

Donachalarni kirishi uchun korpusni mustahkamlikka bo`lgan hisobi. Berilgan ma’lumotlargako`ra, barabanni bondajsiz (og`irligi) tishli vensa mb=102000 kg,bondajni massasi mbY= 12,000 kg sisterna og`irligi mb=6130 kg. Bondajlar oralig`idagi masofa l<sub>1</sub>=10,2ml<sub>0</sub>=l<sub>2</sub>= 2,7m : l<sub>3</sub>= 3,9m. Barabanni to`ldirish darajasi Y=0,30 bo`lganda,

G_m= V_ber = U_r γ _n/d=195,9360,30∙1160/15,6=4370,9kg

Barabanni farzunkasi.

G_δ= m_δ/< 102000/15,6=6538,5kg

Summor og’irlik

G=9,81/ (G_δ+S_m) (4370,9+6538,5)=107021 n/m

Tayanchlarni reaksiya bo`yicha hisobi summor moment ∑ M =0

1. A tayanch uchun

RA∙U-P₁

Bunda P₁ – bondajning og`irligi;

N₁ R_v – vesovoy shesterna og`irligi.

Tenglamani R_A ga nisbatan hisoblab chiqamiz.

R_A = ∑ 12000∙ 9,81∙ 10,2∙6130∙9,81∙3,9 +

2. B tayanch uchun

R_b L₁ – P₂ L₁- PL (L-L₃) -

Bunda P₂ – bondajning og`irligi oxirgi tenglamadan B reaksiyasini (qarashligini)topamiz.

R_B = ∑ 12000∙ 9,81∙ 10,2∙6130∙9,81∙ (10,2-3,9) + 107021,6 (10,2 +2,7)² (2-102021∙ (2,7)²/2 ] 10,2 = 10094418610,2= 989626

Maksimal egiluvchanlik momenti tayanchlar oralig`ida –X barabanli chap tomonidaR₁+q[-RA =0 X = (RA –P₁) /q =

Maksimal egiluvchanlik momentini hisoblaymiz

M_n= 107021∙(8,015)²/2+12000 ∙ 9,81 (8,015-2,7)-975477∙(8,015 – 2,7) + 3257618,6 +627141,5 -5184660 = 1121452 N∙M = 1,121 ∙ M_n∙M.

Kuchlanishni aylanish kuchlanishini hisobga olmasdan aniqlaymiz.

τ =MK / W: MPa W = π (R+0.55)² S

bunda W - baraban kesishmalarini qorishuv momenti, m³; S - baraban obechaykasini qalinligi 24 mm

R- baraban / korpusi 2 m quyidagilarni olamiz:

W = 3.142/2.0 +0.024/2/² 0.024=0.3053 m³

τ = 1,211/0,3053= 3,697 MPa

Po`lat uchun 150°Сharoratda chidamlilik τ₄ = 56,5 MPa baraban obechaykasi katta mustahkamlikka ega 3,672 = τ<π=56,5

Roliklarni mustahkamligini tekshirish.

Tayanch roliklarni tayanchni katta reaksiya uchun hisob qilamiz.

R_B = 9896N = 0,571 MN

Ezilishda bo`lgan kuchlanishni topamiz.

Bondojni eni v₁ = 0,5 m o`qini hisobga olib, τ <sub>s</sub> = 288,7 < 4/3 =[ τ ]<sub>s,</sub> tayanch roliklarini mustahkamlikka tekshirish.O`q buylab G kuchni aniqlaymiz tayanch rolikka ta`siri formula bo`yicha:

T = (q L + P₁+P₂ +P_v) sim d ∙ H

G = [107021∙15,6 + (12000 + 12000 +6130) 9,81 ] ∙0.0523 = 102775 Y = 103 mn

Ε_n tomonidan chayqalish holati uchun bondajni yon tomon yuzasi, ezilishda bo`lgan kuchlanishni quyidagi formuladan hisoblaymiz:

Τ_e = 0.418 : MPa

Bunda b₁ = tayanch roliklarini balandligi, d _Ur – tayanch rolikni diametri, m d – hosil bo`layotgan ( tayanch rolikini) og`irlik burchagidagi d₁ = 8 40.Hisoblangan 1 sxema,

tayanch 1 tansiyasi uchun,tayanch rolikni ezilishda bo`lgan kuchlanishiτ_s= 0418
z∙103 ∙ 1.99 ∙ 10⁵ ∙/0.120 ∙ 0.6 ∙ 0.9886 = 317,9 MP

Rolikni yuzaligidagi aniq kuchlanish ezilishiga bo`lgan kuchlanish yo`l qo’yilishi mumkin bo`lgandan ko`ra kichik

τ_s -317,9 < 413 = (τ )_s