Izincedisi ze-excavator E200B E320B ivalve yokukhulula Umpu oncedisayo hydraulic valve 352-7122

I-valve enkulu yokunceda ifakwe kwiindawo eziphezulu kunye nezisezantsi ze-valve yokulawula eyintloko, enye ephezulu kunye neyodwa ephantsi. Ivalve ibeka olona xinzelelo luphezulu kwi-hydraulic system yonke ukuba isebenze. Xa uxinzelelo lwenkqubo ludlula uxinzelelo olumiselweyo lwe-valve enkulu yokunceda, i-valve enkulu yokunceda ivula i-oil circuit ye-tank yokubuyela ukugqithisa i-oyile ye-hydraulic ibuyele kwi-tank ukukhusela yonke inkqubo ye-hydraulic kwaye ugweme ukunyanzeliswa kweoli yeoli. I-valve yokunceda ineesethi ezimbini zoxinzelelo, xa umqhubi we-pilot OFF, kwi-first set pressure ye-355kg / cm2; Xa i-pilot pressure ON, setha uxinzelelo lwe-380kg / cm2 kwinqanaba lesibini.

Ukuxilongwa kweempazamo

Impazamo yephutha: Isantya sazo zonke izixhobo zokusebenza sicotha (isantya sazo zonke izixhobo zokusebenza siphantsi kunexabiso eliqhelekileyo), umsebenzi ubuthathaka, uxinzelelo oluphezulu lwempompo ephambili lungaphantsi kwe-150kg / cm2.
Isiphumo sokuhlolwa: Eyona nto iphambili yevalufa yokukhulula (3) inobumdaka obuvalela umngxuma φ0.5.

Uhlalutyo lwempazamo: Ngenxa yeplagi ye-plunger (3) umngxuma, umahluko woxinzelelo phakathi kweziphelo ezimbini ze-plunger (3) mkhulu kakhulu, i-plunger (3) ihlala ivulekile, kwaye i-oyile yoxinzelelo oluphezulu idlula kwi-plunger. (3) itanki yeoli eqhelekileyo, ngoko ke uxinzelelo oluphambili luyancitshiswa.

Ukusombulula ingxaki: 1) qhaqha kwaye ucoce ivalve ngaphambi kokuba uyihlanganise.

2) Khangela i-oyile ye-hydraulic kunye ne-filter element ayitshintshwanga ixesha elide, ingcolile kakhulu, ukungcola okuvala imingxuma kuphuma kwi-oyile ye-hydraulic, ngoko ke ucoce umbhobho, ubeke indawo yeoli ye-hydraulic kunye ne-filter element.

3) Zama kwakhona emva kokuba konke kugqityiwe, kwaye uxinzelelo luya kubuyela ngokuqhelekileyo.