Zithunzi za 14X-911-3210ARM
Nthawi zambiri imakhala ngati bokosi lopangidwa ndi bokosi, lolumikizidwa pamodzi ndi mbale zakumtunda ndi zapansi, mbale zam'mbali, ndi nthiti zolimbitsa. Chigawo chachikulu chomwe chimathandiza kuti mkono ugwedezeke mmwamba ndi pansi chikugwirizana ndi nsanja yozungulira ya excavator kupyolera mu pivot, ndipo kutalika kwake ndi mawonekedwe ake amakhudza mwachindunji kukumba kwa pofukula ndi kutalika kotsitsa. Chofufutira cha backhoe nthawi zambiri chimakhala ndi malo ena opindika, omwe ndi abwino kukumba dothi pansi pa malo oyimikapo magalimoto; Kuchuluka kwa chofukula fosholo chakutsogolo nthawi zambiri kumakhala kowongoka, komwe kumathandizira kukumba dothi pamwamba pa malo oyimikapo magalimoto.
Mapangidwe apangidwe ndi ntchito zazikulu za mkono wofukula
Dzanja lofukula ndiye chida chachikulu chogwirira ntchito kwa ofukula kuti amalize kukumba, kutsitsa ndi kutsitsa. Amapangidwa makamaka ndi zigawo zitatu zokhotakhota: boom, mkono, ndi ndowa, zomwe zimayendetsedwa ndi masilinda a hydraulic kuti akwaniritse mayendedwe osinthika. Mapangidwe ake amafunikira kuti akwaniritse zofunikira zamphamvu, kulimba, komanso kulondola kwa magwiridwe antchito. Zomwe zimagwiritsidwa ntchito ndi chitsulo chokwera-champhamvu kwambiri, ndipo luso lazowotcherera lapamwamba limagwiritsidwa ntchito kuti likhale lokhazikika. Malinga ndi zofunikira za homuweki, mkono wofukula ukhoza kufananizidwa ndi zida zosiyanasiyana, monga zidebe, ma clamp, ma crushers, ndi zina zambiri, kuti akwaniritse ntchito zosiyanasiyana.
Kuchokera pamalingaliro a njira yopatsira mphamvu, injiniyo imatumiza mphamvu ku silinda ya hydraulic kudzera papampu ya hydraulic, kukankhira zigawo zosiyanasiyana za mkono kuti zisunthe, kupanga njira zogwirira ntchito monga "kutsogolo mmwamba" (fosholo) kapena "kumbuyo pansi" (backhoe). Chipangizo choyenda (chotsatiridwa kapena mawilo) chimapereka chithandizo chokhazikika cha ntchito ya mkono, kuonetsetsa kuti ntchito yotetezeka ikugwira ntchito m'madera ovuta. Waukulu mitundu ndi luso makhalidwe excavator mikono
Malinga ndi kapangidwe kake ndi kagwiritsidwe ntchito, zida zofukula zimatha kugawidwa m'magulu awa:
Backhoe mkono: mtundu wamba, yodziwika ndi "m'mbuyo ndi pansi, mokakamiza kudula nthaka", oyenera ntchito pofukula pansi pa malo oimikapo magalimoto, monga kukumba ngalande, maziko dzenje thandizo, etc., ndi ntchito kusintha ndi mwatsatanetsatane mkulu.
Front fosholo mkono: "Patsogolo ndi m'mwamba, anakakamizika kudula nthaka", ndi mkulu mphamvu yofukula, akhoza pofukula dothi youma ndi olimba pamwamba pa kuyimitsidwa pamwamba, ambiri ntchito maenje aakulu maziko ndi dothi bwinja pofukula, ndipo ayenera kugwiritsidwa ntchito molumikizana ndi magalimoto otaya.
Kukokera mkono: kudalira kulemera kwake ndi mphamvu yake yodula nthaka "chambuyo ndi pansi", ndi malo okumba kwambiri ndi kuya, koma kusinthasintha kochepa, koyenera kufukula kwautali-kufukula kwa zinthu zotayirira.
Kugwira mkono: "Mowongoka mmwamba ndi pansi, nthaka yodzicheka yolemera", yoyenera kukumba maenje a maziko ndi zitsime zomira m'malo a dothi lofewa, kapena kuyika matabwa, miyala, ndi zina zotero.
Kuphatikiza apo, monga mtundu wapadera, mkono wa telescopic umakwaniritsa kusintha kwautali kudzera-zopanga masitepe ambiri, omwe amadziwika kuti masitepe-awiri (10-mamita 28) ndi masitepe atatu (18-36 metres), amagwiritsidwa ntchito mofala muzochitika monga kuyeretsa mitsinje, kukumba ngalande, ndi maenje akuya. Opanga ku Fujian ndi madera ena akwanitsa kupanga zida zama telescopic, kuthandizira kusinthidwa makonda ndikukonza mwachangu.
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