Māhelehele o nā bulldozers, hale hana kaulahao bulldozer India
Ua hoʻomohala pono ʻia ka crawler dozer (i ʻike ʻia hoʻi ʻo crawler dozer) e Benjamin Holt, he ʻAmelika, i ka makahiki 1904. Ua hoʻokumu ʻia ma ke kau ʻana i kahi bulldozer hāpai lima ma mua o ke tractor crawler. I kēlā manawa, ʻo ka mana he mīkini mahu. Ma hope mai, ua hoʻomohala ʻia nā crawler dozers i hoʻokele ʻia e ka mana kinoea kūlohelohe a me ka mīkini gasoline. Ua hoʻomohala pū ʻia ka pahi bulldozer mai ka hāpai lima ʻana a i ka hāpai kaula uea. ʻO Benjamin Holt kekahi o nā mea hoʻokumu o Caterpillar Inc. ma ʻAmelika Hui Pū ʻIa. I ka makahiki 1925, ua hui pū ʻo Holt Manufacturing Company a me C 50. Best Bulldozer Company e hoʻokumu iā Caterpillar Bulldozer Company, a lilo i mea hana mua o ka honua o nā lako bulldozer, a ua hoʻokuʻu pono i ka pūʻulu mua o 60 mau bulldozer me nā mīkini diesel i ka makahiki 1931. Me ka holomua mau o ka ʻenehana, ua hoʻoikaika ʻia ka bulldozer e nā mīkini diesel, a ua hāpai ʻia ka pahi bulldozer a me ka scarifier e nā cylinders hydraulic. Ma waho aʻe o nā bulldozer ʻano kolo, aia kekahi mau bulldozer ʻano huila, ma kahi o ʻumi mau makahiki ma hope o nā bulldozer ʻano kolo. ʻOi aku ka maikaʻi o ka hana hoʻopili ʻana o nā bulldozer kolo a hiki ke hoʻoikaika i ka traction, no laila ʻoi aku ka nui o nā ʻano a me ka nui o kā lākou huahana ma ka home a ma waho ma mua o nā bulldozer huila. Ma ka honua holoʻokoʻa, ʻo Caterpillar ka hui hana mīkini ʻenekinia nui loa ma ka honua. ʻO kāna mau bulldozer caterpillar e komo pū ana me nā moʻo nui, waena a me nā moʻo liʻiliʻi D3-D11, ka D11 RCD nui loa, a hiki i ka mana flywheel o ka mīkini diesel i 634kw; ʻO Komatsu, kahi hui Kepanī, i helu ʻia ma ka lua. I ka makahiki 1947, ua hoʻomaka ʻo ia e hoʻolauna a hana i nā bulldozer kolo D50. Aia he 13 moʻo o nā bulldozer kolo, mai D21-D575, ʻo ka mea liʻiliʻi loa ʻo D21, ʻo ka mana flywheel o ka mīkini diesel he 29.5kw, ʻo ka mea nui loa ʻo D575A-3SD, a ʻo ka mana flywheel o ka mīkini diesel he 858kw. ʻO ia hoʻi ka bulldozer nui loa ma ka honua i kēia manawa; ʻO kekahi mea hana bulldozer kū hoʻokahi ʻo Liebheer Group o Kelemania. Hoʻokele ʻia kāna mau bulldozer e ke kaomi hydrostatic. Ma hope o nā makahiki he ʻumi o ka noiʻi a me ka hoʻomohala ʻana, ua hoʻolauna kēia ʻenehana i kahi prototype i ka makahiki 1972. I ka makahiki 1974, ua hoʻomaka ia e hana nui i nā bulldozer crawler PR721-PR731 a me PR741 hydrostatic driven. Ma muli o ka palena o nā ʻāpana hydraulic, ʻo kona mana kiʻekiʻe loa he 295Kw wale nō, a ʻo kāna kumu hoʻohālike he PR751 mining.
ʻO nā mea hana bulldozer ʻekolu i luna aʻe nei ke kū nei i ka pae kiʻekiʻe loa o nā bulldozer crawler ma ka honua i kēia lā. ʻO nā mea hana haole ʻē aʻe o nā bulldozer crawler, e like me John Deere, Case, New Holland a me Dreista, he pae kiʻekiʻe ko lākou o ka ʻenehana hana. Hale hana kaulahao bulldozer India
Ua hoʻomaka ka hana ʻana o nā bulldozers ma Kina ma hope o ka hoʻokumu ʻia ʻana o New China. I ka wā mua, ua hoʻokomo ʻia ka bulldozer ma luna o ka tractor mahiʻai. Me ka hoʻomohala ʻana o ka hoʻokele waiwai aupuni, ke piʻi nei ke koi no nā bulldozers crawler waena a me ka nui ma nā lua nui, ka mālama wai, nā kikowaena mana a me nā keʻena halihali. ʻOiai ua holomua nui ka ʻoihana hana o nā bulldozers crawler waena a me ka nui ma Kina, ʻaʻole hiki iā ia ke hoʻokō hou i nā pono o ka hoʻomohala hoʻokele waiwai aupuni. No laila, mai ka makahiki 1979, ua hoʻolauna mau ʻo Kina i ka ʻenehana hana, nā kikoʻī hana, nā kūlana loea a me nā ʻōnaehana mea o nā bulldozers crawler mai Komatsu Company o Iapana a me Caterpillar Company o ʻAmelika Hui Pū ʻIa. Ma hope o ka ʻai ʻana a me ka omo ʻana, a ua hoʻoponopono ʻia nā ʻenehana koʻikoʻi, ua hoʻokumu ʻia kahi ʻano i hoʻomalu ʻia e nā huahana ʻenehana Komatsu i nā makahiki 1980 a me 1990. Hale hana kaulahao bulldozer India
Mai nā makahiki 1960, aia ma kahi o ʻehā mau mea hana i ka ʻoihana bulldozer kūloko. ʻO ke kumu, he kiʻekiʻe nā koi hana o nā huahana bulldozer, nui ka paʻakikī, a koi nui ka hana nui ʻana i ka hoʻopukapuka kālā. No laila, ʻaʻole ʻaʻa nā ʻoihana maʻamau e komo maʻalahi. Eia naʻe, me ka hoʻomohala ʻana o ka mākeke, mai ka "Eighth Five Year Plan", ua hoʻomaka kekahi mau ʻoihana nui a me waena ma Kina e hoʻohana i nā bulldozer e like me ko lākou ikaika ponoʻī, e like me Inner Mongolia No.1 Machinery Factory, Xuzhou Loader Factory, a pēlā aku, a hoʻonui i ka hui ʻoihana bulldozer. I ka manawa like, ua hoʻomaka kahi helu liʻiliʻi o nā ʻoihana e iho i lalo ma muli o ka hoʻokele maikaʻi ʻole a me ka pono e hoʻololi i ka hoʻomohala ʻana o ka mākeke, a ua haʻalele kekahi i ka ʻoihana. I kēia manawa, ʻo nā mea hana bulldozer kūloko ka mea nui ʻo Shantui Construction Machinery Co., Ltd., Hebei Xuanhua Construction Machinery Co., Ltd., Shanghai Pengpu Machinery Factory Co., Ltd., Tianjin Construction Machinery Factory, Shaanxi Xinhuang Industrial Machinery Co., Ltd., Yituo Construction Machinery Co., Ltd., etc. Ma waho aʻe o ka hana ʻana i nā bulldozers, ua hoʻomaka pū nā ʻoihana i luna e hana i ka hana ʻana o nā huahana mīkini kūkulu ʻē aʻe, e like me Shantui, kahi e hana pū ai i nā wili alanui, nā graders, nā excavators, nā loaders, nā forklifts, a pēlā aku. Hale hana kaulahao bulldozer India
Ka manawa hoʻouna: Sep-21-2022
