Jack chiedza chakajairika uye diki yekusimudza michina ine huwandu hwakawanda hwekushandisa.Haisi chete chishandiso chikuru chekusimudza chinodiwa pakugadzirisa nekugadzirisa mota, asi zvakare ine huwandu hwakasiyana hwekushandisa mukuvaka, njanji, mabhiriji, uye kununura emergency.Nekuvandudzwa kwehupfumi hwenyika yangu uye indasitiri yemotokari, mota dzakagara dzapinda mudzimba dzevanhuwo zvavo, uye kubuda kwemotokari dzinotakura vanhu kwakawedzera gore negore.Kuwedzera kwenhamba yemotokari kwaita kuti kudiwa kwejeki kuwedzere.
Jack tekinoroji munyika yedu yakatanga kunonoka.Mumakore ekuma1970, zvishoma nezvishoma takasangana neyekunze jack tekinoroji, asi nhanho uye tekinoroji yevagadziri vepamba panguva iyoyo zvaive zvisina kuenzana uye zvisina hurongwa hwakabatana.Mushure mekutenderera kwakati wandei kweiyo nyika dhizaini dhizaini, kumisikidzwa kwemaindasitiri zviyero uye zviyero zvepasirese, iyo standardization, serialization uye generalization yekugadzira jack jack yakaitwa.Tora vertical hydraulic jack semuenzaniso.Zvinoenderana nezviyero zvenyika, zvakajairika-chinangwa zvikamu zvakave zvakagadzirwa nehunyanzvi, kuburitsa kwave kuwedzera, uye mutengo wechigadzirwa wakaderedzwa.
Nekushandisa matekinoroji akadai sekukurumidza kusimudza uye kunonoka kudzoka kwemafuta, zvigadzirwa zvenyika yangu jack zvakagadziridzwa zvakanyanya maererano nekutakura simba, hupenyu hwesevhisi, kuita kwekuchengetedza, kutonga kwemitengo, nezvimwewo, uye mhando yechigadzirwa yakasvika zvishoma nezvishoma uye kupfuura zvakanyanya. zvigadzirwa zvekunze zvakafanana.Zvigadzirwa, uyezve kuvhura misika yeEurope neAmerica.
Parizvino, iyo jack yakatevedzana inotengeswa kunze kwenyika nenyika yedu yakazara muzvikamu uye zvakatemwa, ine yakagadzikana mashandiro echigadzirwa uye kukwikwidza kwakasimba kwepasirese.
“Nheyo yejeko kamudziyo kakareruka uye kadiki kekusimudza kanosaidzira zvinhu zvinorema mukati mechikamu chidiki chebhureketi repamusoro kana kuti pasi.Mhando dzakasiyana dzejacks dzine misimboti yakasiyana.Common hydraulic jacks anoshandisa mutemo waPascal, uye Ndiko kuti, kudzvanywa kwemvura kunoenderana mukati mese, kuitira kuti piston irambe yakamira.Iyo screw jack inoshandisa mubato unodzoreredza kusundidzira gap recheti kutenderera, uye giya rinotenderera kusimudza nekudzikisa sleeve kuti riite basa rekusimudza nekudhonza simba.