Nkewa nke bulldozers, India bulldozer chain factory

Nkewa nke bulldozers, India bulldozer chain factory

Onye America bụ Benjamin Holt rụpụtara ya nke ọma na Crawler dozer (nke a makwaara dị ka crawler dozer) na 1904. E hiwere ya site na itinye akwụkwọ ntuziaka na-ebuli bulldozer n'ihu traktọ crawler.N'oge ahụ, ike bụ ụgbọ mmiri.Ka e mesịrị, e mepụtara dozers nke ike gas sitere n'okike na injin mmanụ ụgbọala na-ebugharị.A rụpụtakwara agụba bulldozer site na ibuli aka ruo n'ebuli eriri waya.Benjamin Holt bụkwa otu n'ime ndị malitere Caterpillar Inc. na United States.N'afọ 1925, Holt Manufacturing Company na C 50. Best Bulldozer Company jikọtara iji mepụta ụlọ ọrụ Caterpillar Bulldozer, na-aghọ onye mbụ na-emepụta ngwá ọrụ bulldozer n'ụwa, ma malite nke ọma nke mbụ nke 60 bulldozers na engines diesel na 1931. Site na ọganihu na-aga n'ihu nke nkà na ụzụ na-aga n'ihu. , igwe mmanụ dizel na-arụ ọrụ bulldozer ahụ, a na-ebulikwa agụba bulldozer na scarifier niile site na hydraulic cylinders.Na mgbakwunye na ụdị crawler bulldozers, e nwekwara ụdị taya taya, bụ nke dị ihe dị ka afọ iri gachara karịa ụdị crawler.Crawler bulldozers na-arụ ọrụ adhesion ka mma ma nwee ike ịrụ ọrụ dị ukwuu, ya mere ụdị dị iche iche na ọnụ ọgụgụ nke ngwaahịa ha n'ụlọ na ná mba ọzọ dị nnọọ ukwuu karịa nke taya bulldozers.Na mba ụwa, Caterpillar bụ nnukwu ụlọ ọrụ na-emepụta igwe injinia n'ụwa.Ya caterpillar bulldozers gụnyere nnukwu, ọkara na obere usoro D3-D11, nke kasị ukwuu D11 RCD, na flywheel ike nke dizel engine ruru 634kw;Komatsu, ụlọ ọrụ Japan, nọ n'ọkwa nke abụọ.N'afọ 1947, ọ malitere iwebata na ịmepụta D50 crawler bulldozers.Enwere usoro 13 nke crawler bulldozers, sitere na D21-D575, nke kacha nta bụ D21, ike ụgbọ elu nke injin dizel bụ 29.5kw, nke kachasị ukwuu bụ D575A-3SD, na ike ụgbọ elu nke injin dizel bụ 858kw.Ọ bụkwa bulldozer kasị ukwuu n'ụwa ugbu a;Onye nrụpụta bulldozer pụrụ iche bụ Liebheer Group nke Germany.A na-ebugharị bulldozers ya niile site na nrụgide hydrostatic.Mgbe ihe karịrị afọ iri nke nyocha na mmepe gasịrị, nkà na ụzụ a webatara prototype na 1972. N'afọ 1974, ọ malitere ịmepụta PR721-PR731 na PR741 hydrostatic crowler bulldozers.N'ihi njedebe nke akụrụngwa hydraulic, ike kachasị ya bụ naanị 295Kw, ihe nlereanya ya bụ PR751 Ngwuputa.

Ndị na-emepụta bulldozer atọ dị n'elu na-anọchite anya ọkwa kachasị elu nke crawler bulldozers n'ụwa taa.Ndị ọzọ na-emepụta ndị si mba ọzọ nke crawler bulldozers, dị ka John Deere, Case, New Holland na Dreista, nwekwara ọkwa dị elu nke nkà na ụzụ mmepụta ihe.India bulldozer yinye ụlọ ọrụ
Mmepụta nke bulldozers na China malitere mgbe ntọala New China gasịrị.Na mbụ, a na-etinye bulldozer na traktọ ọrụ ugbo.Site na mmepe nke akụ na ụba mba, ọchịchọ nke ọkara na nnukwu crawler bulldozers na nnukwu ogbunigwe, nchekwa mmiri, ọdụ ọkụ na ngalaba njem na-abawanye.Ọ bụ ezie na ụlọ ọrụ mmepụta ihe nke ndị na-agba ọsọ na nnukwu crawler bulldozers na China enwewo ọganihu dị ukwuu, ọ pụghịkwa igbo mkpa nke mmepe akụ na ụba mba.Ya mere, ebe ọ bụ na 1979, China na-aga nke ọma ewebata mmepụta technology, usoro nkọwa, teknuzu ụkpụrụ na ihe onwunwe usoro nke crawler bulldozers si Komatsu Company nke Japan na Caterpillar Company nke United States.Mgbe mgbari mgbaze na nnabata, na teknụzụ ndị isi ka edoziri, ụkpụrụ nke ngwaahịa teknụzụ Komatsu na-achị na 1980s na 1990 ka e hiwere.India bulldozer yinye ụlọ ọrụ

Kemgbe 1960, enweela ihe dị ka ndị nrụpụta anọ na ụlọ ọrụ bulldozer.Ihe kpatara ya bụ na nhazi chọrọ nke ngwaahịa bulldozer dị elu, ihe isi ike dị ukwuu, na mmepụta nke oke na-achọ nnukwu ego.Ya mere, ụlọ ọrụ nkịtị anaghị anwa anwa itinye aka n'ụzọ dị mfe.Otú ọ dị, na mmepe nke ahịa, ebe ọ bụ na "Eightth Five Year Plan", ụfọdụ nnukwu na ọkara-sized ụlọ ọrụ na China amalitela concurrently arụ ọrụ bulldozers dị ka ha onwe ha ike, dị ka Inner Mongolia No.1 Machinery Factory, Xuzhou Ụlọ ọrụ Loader, wdg, wee gbasaa otu ụlọ ọrụ bulldozer.N'otu oge ahụ, ọnụ ọgụgụ dị nta nke ụlọ ọrụ malitere ịrị elu n'ihi nlekọta adịghị mma na mkpa ọ dị ime mgbanwe maka mmepe ahịa, ụfọdụ ahapụla ụlọ ọrụ ahụ.Ugbu a, anụ ụlọ bulldozer emepụta tumadi gụnyere 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., wdg Na mgbakwunye na mmepụta nke bulldozers, ụlọ ọrụ ndị dị n'elu malitekwara itinye aka na mmepụta nke ihe ndị ọzọ na-ewu ụlọ, dị ka Shantui, nke na-emepụtakwa rollers okporo ụzọ, graders, excavators. , loaders, forklifts, wdg. Indian bulldozer yinye ụlọ ọrụ mmepụta ihe