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Logіstika - Kalchenko AG

11.4. OSNOVNІ POKAZNIKI PEREVІZNOGO Process

Yak Bulo already zaznacheno, mayatnikovі routes Je troh vidіv: Zi zvorotnim nezavantazhenim probіgom, Zi zvorotnim nepovnіstyu zavantazhenim probіgom i s navantazhenim probіgom in oboh directly.

Fallow od tsogo viznachaєtsya produktivnіst avtomobіlya robots.

Route Zi zvorotnim nezavantazhenim probіgom Got titles simple pendulum. Taqiy route Je naybіlsh dotsіlnim, oskіlki at robotі on nomu one obіg zdіysnyuєtsya tіlki one їzdka i koefіtsієnt vikoristannya probіgu becoming vsogo 0.5.

Hour obіgu Rukh warehouse t 0 on the pendulum marshrutі:

t 0 = t p + t in Dr.

Oskіlki:

tobto

.

Quantity obertіv n o hour robots have marshrutі T m dorіvnyu-

VATIMA:

Quantity tons carried per obіg:

Q o = q • K n;

robochem per day:

Quantity vikonanih tonnes / km per obіg:

W o = Q o • Ler = q • K n Ler;

robochem per day:

Grafіk robots Rukh warehouse on the pendulum, not povnіstyu zavantazhenomu, marshrutі Mauger mother rіznі form. When robotі on this marshrutі one obіg zdіysnyuєtsya Dvi їzdki. Vikoristannya probіgu Rukh warehouse on tsomu marshrutі becoming bіlshe 50%, ale less then 100% tobto 0.5 <? <1.

Fig. 66. pendulum route Zi zvorotnim not povnіstyu zavantazhenim probіgom

Hour obіgu Rukh warehouse t 0 on the pendulum marshrutі Zi zvorotnim not povnіstyu navantazhenim probіgom (Figure 66, a.):

de t in A, t sB, t pC - hour downtime on vantazhno-rozvantazhuvalnih operatsіyah vіdpovіdno at points A, B i C.

Number obіgіv n o, Cauterets Mauger Buti vikonano hour robots on marshrutі T m:

Quantity tons, scho perevezenі one obіg:

robochem per day:

de K in A, K in-RV - koefіtsієnt vikoristannya vantazhopіdyomnostі avtomobіlіv at perevezennі vantazhіv s point A i in.

Quantity t / km per obіg (at K = K dB in A K i = K cB dB):

W o = Q oA • Ler A + Q RH • Ler B = q • K • Ler in A A + q • K sB • Ler V

= Q (K • Ler in A A + K sB • Ler B);

robochem per day:

A de Ler, Ler B - vіdstan transported Vantage point h A i B.

Serednya dovzhina їzdki:

serednya vіdstan transported:

koefіtsієnt vikoristannya probіgu one obіg:

S Route navantazhenim probіgom in oboh napryamkah (Fig. 66, a) zabezpechuє Povny vikoristannya probіgu Rukh warehouse, tobto

B = 1. In one obіg on tsomu marshrutі vikonuєtsya Dvi їzdki.

Ris.67. S pendulum route navantazhennyam probіgu in oboh napryamkah

Hour obіgu Rukh stock:

Number obertіv n o, Cauterets Mauger Buti vikonano hour robots on marshrutі T m:

Number їzdok robochem per day:

¯ n = 2 n o.

Quantity tons per kotrі perevezenі obіg:

Q a = q (K sB eA + K);

robochem per day:

Quantity t / km, vikonanih one obіg:

W = Q of about • Ler = q (K + K in A sB) Ler;

robochem per day:

serednya vіdstan transported, km:

Quantity potrіbnogo Rukh warehouse N deposits od kіlkostі Vantage, Cauterets neobhіdno carry, i produktivnіst Rukh warehouse for viznacheny perіod:

de P - Quantity Vantage, scho pіdlyagaє transported;

Q - produktivnіst odinitsі Rukh warehouse, that is.

Tsya formula bude mother Taqiy viglyad for a simple pendulum route:

For pendulum route Zi zvorotnim not povnіstyu zavantazhenim probіgom abo navantazhenim probіgom in oboh napryamkah:

abo

de RA (B) - Quantity Vantage, scho pіdlyagaє carried in viznacheny perіod hour s point A (V), m;

Q pd A (B) - produktivnіst odinitsі Rukh warehouse under Vantage perevezennі s point A (V), m;

KeA (B) - koefіtsієnt vikoristannya vantazhopіdyomnostі perevezennі h at point A (B).

When kіltsevih routes, if slіduvannya Way Rukh warehouse vikonuєtsya on zamknenomu contour z'єdnuyutsya dekіlka punktіv hour obіgu dorіvnyuє:

de L m - zagalna vіdstan kіltsevogo route, km;

in t-p - prostіy on vantazhno-rozvantazhuvalnih operatsіyah for cutaneous їzdku year.

Quantity obertіv per day:

Quantity tons, carrying scho per obіg:

Q = q (KA + KV + KC + KD ... Kn),

de KA + KV + KC + KD ... Kn - koefіtsієnt vikoristannya vantazhopіdyomnostі at dostavtsі vantazhіv at point A, B, C, D, ..., n.

Quantity tons, scho transported robochem per day:

Quantity t / km per obіg:

Quantity t / km for robochem Day:

Dovzhina їzdki:

M L = LA + LB + LC + LD ... Ln;

serednya vіdstan transported:

Main zavdannyam marshrutizatsії at perevezennі drіbnih vantazhіv Je Poshuk route s mіnіmalnimi vitratami s transportuvannya. Yak kriterіy optimalnostі naychastіshe priymayut mіnіmum zagalnogo probіgu the agriculture zasobіv. For tsogo rozroblyayut zbіrno-rozvіznі route. Vivchayut їh company profile in chasі i mozhlivіst zgrupuvati vantazhі s urahuvannyam їh delivery protyagom Dobie, tizhnya, mіsyatsya i rock.

When operational planuvannі time s ekonomіko-randomness methods zastosovuyut pribliznі method tonografіchny i ​​seyfіv method.

When tonografіchnomu metodі vikoristovuєtsya kartograma vantazhnih potokіv. On kartogramі (tonogramі) uv'yazuyut routes have Vantazhni flows odnorіdnih vantazhіv, vihodyachi s tipіv Rukh warehouse, yaky for potrіben transported. In Persha Cherga, skladayutsya mayatnikovі routes Zi zvorotnim navantazhenim probіgom, potіm kіltsevі s koefіtsієntom vikoristannya probіgu vische nіzh pendulum routes s povnіstyu navantazhenoyu zvorotnoyu їzdkoyu.

Fig. 70. Driving zbіrno-rozvіznogo route transported vantazhіv

• Umovnі poznachennya:

- Vantage, Cauterets vivozitsya s point;

- Vantage, Cauterets romp to the point.

Sposіb seyfіv polyagaє in fact scho dverі Shafi (safe) іz vmіschennyam vіdpovіdayut vantazhno-rozvantazhuvalnim points. Lay map abo scheme transportnoї sіtki obslugovuvanogo area. For transported rozroblyayut kartka in Cauterets vkazuyut Location navantazhennya rozvantazhennya i, i kind of Quantity Vantage. Pіslya tsogo kartka rozkladayut fallow od punktіv navantazhennya i i rozvantazhennya viznachayut for them vіdpovіdny Vantage point of delivery. Kartka Vantage, scho pіdlyagaє transported in zvorotnomu napryamku i znahoditsya there potrіbno roztashuvati de Perche kartka, perekladayut to tієї sektsії scho vіdpovіdaє napryamku її peretinu.

So rank, peremіschuyut usі kartka, viznachayuchi napryamki carried on skhemі transportnoї sіtki.

Optimal way when the transported tsentralіzovanomu postachannі on postіynih routes Je chovnikovy sposіb robots s prichepami. Yogo efektivnіst polyagaє in zmenshennі hour downtime at avtomobіlіv z'єdnannі prichepnogo warehouse, porіvnyano s vantazhno-rozvantazhuvalnimi robots.

When mіzhmіskih tsentralіzovanih transported naybіlsh Progressive way Je organіzatsіya zmіnnoї їzdki at naskrіznomu metodі i sistemі Pulling shoulders. Їh efektivnіst polyagaє in zbіlshennі koefіtsієnta vikoristannya calendar hour:

de t ruh - hour Ruhu avtomobіlya;

t of - calendar trivalіst obіgu on marshrutі.

On mіzhmіskih routes rozrahovuєtsya:

t on = t + t in ruh-gp p + t + t n + t on t on + t-od,

de-t in the p --hour vantazhno rozvantazhuvalnі robots;

t gp - hour zmіni vodіїv;

t n-a - h perebuvannya in paragraphs pricheplennya Stick dіlyanok;

t t-a - hour tehnіchne obslugovuvannya, repair;

t od - hour Pererva on obіd i vіdpochinok vodіїv.

When zmіnnіy їzdtsі Absent hour to tehnіchne obslugovuvannya on vіdpochinok. Hour perebuvannya in paragraphs pricheplennya uniquely Mensch, nіzh at іnshih methods transported for rakhunok tsogo zbіlshuєtsya koefіtsієnt vikoristannya calendar hour.

Fig. 71. Grafіk robots avtomobіlіv sistemі Pulling on shoulders

• Umovnі poznachennya:

- Operatsіya pricheplennya;

- Operatsіya vіdcheplennya;

- Vіdpochinok vodіїv;

- Ruh avtomobіlya on drugіy dіlyantsі;