A dunƙule ƙasa tarishi ne tulin ƙasa mai dunƙulewa, wanda aka siffanta shi da cewa ya ƙunshi ɗigon bututu da bututu, kuma ana haɗa bututun drill ko bututu da haɗin gwiwar shigar da wutar lantarki; Bayan an tuka tulin a ƙarƙashin ƙasa, ba za a fitar da shi ba kuma za a yi amfani da shi kai tsaye azaman tari
Ragowar da aka kwatanta a sama sun haɗa da ɗan ƙaramin auger na ƙasa
1, Tsakiyar karfe bututu
2. Upper haɗa bututu
3. The rawar soja bututu kunshi wani babba haɗa bututu
4, Tsakiyar karfe sanda
5. Karamar hada biyu shaft
6. Bayan an kore shi a ƙarƙashin ƙasa, ba a fitar da tulin nan, amma ana amfani da shi kai tsaye azaman tari.
A bisa tsarin "karshen bearing pile" da kuma tsarin "girgije" a cikin tsarin gine-gine, an fi amfani da shi a cikin gine-ginen gine-gine iri-iri, ginshiƙan ƙasa da kuma gine-ginen ƙasa ba da gangan ba.
Fasahar sarrafawa na tari na ƙasa mai karkata
Gabaɗaya, ana iya samar da ƙwararrun tulin ƙasa ta hanyar yanke, nakasa, walda, pickling, plating mai zafi da sauran hanyoyin fasaha. Pickling da zafi galvanizing suna da mahimmancin hanyoyin magance lalata, waɗanda ke shafar rayuwar sabis ɗin karkace tari.
Matsayin sarrafawa na tari na ƙasa kai tsaye yana ƙayyade rayuwar sabis na tulin ƙasa na ƙarfe, kamar ingancin bututun da aka zaɓa, ingancin matakin walda, ko akwai ramukan yashi, walƙiyar ƙarya da faɗin walda, wanda duk yana shafar rayuwar sabis na gaba na tari na ƙasa da ingancin aiki na gaba. Pickling wani muhimmin tsari ne na rigakafin lalata, da ingancin plating mai zafi, kamar lokacin da ake yin zafi da ingancin jiyya, duk suna shafar ingancin jiyya na tari na ƙasa. Gabaɗaya, ana iya amfani da tari mai karkace ƙasa don shekaru 40-80. Yanayin da kuma hanyar amfani da tsarin amfani kuma suna shafar rayuwar sabis na tari na ƙasa, kamar matakin acid-base na ƙasa, ko tsarin aiki ya dace, kuma rashin amfani da shi ba zai haifar da lalata saman tulin ƙarfe na ƙasa ba, lalata layin kariya na ƙarfe, haɓakar lalata tari na ƙasan ƙarfe da rage rayuwar sabis.
Ilimin aikace-aikacen karkace tari
Karkataccen tari na ƙasaana amfani da su gabaɗaya don ƙarfafa tantuna a cikin ƙasa mai yashi da kuma hana tanti daga iska. A lokaci guda, kasa rike damar iya aiki naKarfe Screw Pilesya fi na tulin ƙasa mai karkata gaba ɗaya a cikin ƙasa mai laushi mai yashi
