702-16-01420PILOT VALVE
Ivhavha yekufambisa pa bulldozer chinhu chakakosha chese hydraulic control system, ichitamba basa re "mutungamiriri". Inoita basa rekushandura simba diki rekushandisa remutyairi (mutyairi) pajoystick/mubato kuita hydraulic signals inodzora kuita kwehydraulic valve, inopedzisira yawana chaiyo, yekushanda-kuchengetedza, uye kudzora zvakanaka pamusoro pezvishandiso zvine simba zvinoshanda (foshoro, mudziyo wekusunungura ivhu) uye sisitimu yekufamba yebhurudoza.
Basa Rinokosha: Basa guru revhavhavha yekufambisa nderekukudza simba rekushanda uye nekupa kutonga kwakaenzana.
Simba rekusimudzira: * * Mushandi anongoda simba diki kuti afambise mubato, uye vheji yekutyaira inogona kushandisa kudzvanywa kweiyo hydraulic oiri pachayo kuti ibudise inoenderana inodzora mafuta ekumanikidza (pilot pressure).
*Proportional control: Iro chinhambwe kana simba rinoshandiswa nemubato wemubato rinowanzoenderana nekubuda kwemutyairi wemutyairi. Kana mubato ukanyanya kufamba, ndipo panobva pakurawo simba remutyairi wendege; Kufamba kushoma kwemubato, kudiki kudiki kwekumanikidza kwemutyairi.
Kushanda musimboti (kutora iyo yakajairika hydraulic pilot valve semuenzaniso):**
*Mushandi anofambisa chibatiso chekudzora kana chibatiso mukati mecab.
*Kufambisa kwemubato kwemubato kunosundira spool (slide valve kana dzinde revharuvhu) mukati mevharuvhu yekutyaira kuti ifambe.
*Kufamba kwevhavha yepakati kunoshandura mamiriro ekubatanidza edunhu remafuta:
*Tungamira mafuta ekudzikira-anowanzo kunzi oiri yekutyaira) kubva papombi yekutyaira kuenda pachiteshi cheoiri (A kana B port) ichienda kune imwe magumo evharuvhu yekudzora.
* Panguva imwecheteyo, batanidza chiteshi chemafuta kune imwe mugumo weiyo huru yekudzora valve spool kune tangi yemafuta (kudzokera chiteshi).
*Nenzira iyi, pasi pechiito che
Nzira yekufambisa uye saizi yekuvhura yeiyo main control valve spool inodzorwa zvakananga nekudzvanywa uye nzira inobuda nevhavhavha yekutyaira.
*Maivharuvhu ekudzora anozopedzisira adzora-kudzvanywa kwemafuta makuru anoyerera achienda kune actuator (hydraulic cylinder blade lift/tilt/ripper lift; hydraulic motor travel), ichifambisa actuator kuti ifambe nekumhanya kwaunoda uye kwainoda.
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