Karohano ea li-bulldozer, feme ea liketane tsa India
Crawler dozer (eo hape e tsejoang e le crawler dozer) e entsoe ka katleho ke Benjamin Holt, Moamerika, ka 1904. E thehiloe ka ho kenya bulldozer ea ho phahamisa letsoho ka pel'a terekere ea ho khasa.Ka nako eo, matla e ne e le enjene ea mouoane.Hamorao, ho ile ha etsoa li-dozers tse tsamaisoang ke matla a khase ea tlhaho le enjene ea peterole.Lehare la bulldozer le lona le ile la ntlafatsoa ho tloha ho phahamisong ka letsoho ho isa ho phahamisong ea lithapo.Benjamin Holt le eena e ne e le e mong oa bathehi ba Caterpillar Inc. United States.Ka 1925, Holt Manufacturing Company le C 50. Best Bulldozer Company e ile ea kopana ho theha Caterpillar Bulldozer Company, ea e-ba moetsi oa pele oa lefats'e oa thepa ea li-bulldozer, 'me ea atleha ho tsebahatsa sehlopha sa pele sa li-bulldozer tse 60 tse nang le dienjini tsa diesel ka 1931. Ka tsoelo-pele e tsoelang pele ea theknoloji ea theknoloji. , bulldozer e tsamaisoa ke lienjine tsa diesel, 'me lehare la bulldozer le scarifier kaofela li phahamisoa ka li-cylinders tsa hydraulic.Ho phaella ho li-bulldozer tsa mofuta oa crawler, ho boetse ho na le li-bulldozer tsa mofuta oa lithaere, tse ka bang lilemo tse leshome hamorao ho feta li-bulldozer tsa mofuta oa crawler.Li-bulldozer tsa Crawler li na le ts'ebetso e ntle ea ho khomarela 'me li khona ho hohela haholo, kahoo mefuta e fapaneng le bongata ba lihlahisoa tsa tsona lapeng le kantle ho naha li feta tsa libulldozer tsa thaere.Machabeng, Caterpillar ke k'hamphani e kholo ka ho fetisisa e etsang metjhini ea boenjiniere lefatšeng.Li-bulldozer tsa eona tsa popane li kenyelletsa letoto le leholo, le mahareng le le lenyenyane la D3-D11, D11 RCD e kholo ka ho fetisisa, 'me matla a flywheel a enjene ea disele a fihla ho 634kw;Komatsu, k’hamphani ea Japane, e boemong ba bobeli.Ka 1947, e ile ya qala ho hlahisa le ho hlahisa D50 crawler bulldozers.Ho na le letoto la li-bulldozer tse 13, ho tloha ho D21-D575, e nyane ka ho fetisisa ke D21, matla a flywheel a enjene ea disele ke 29.5kw, e kholo ke D575A-3SD, 'me matla a flywheel a enjene ea disele ke 858kw.Hape ke bulldozer e kholo ka ho fetisisa lefatšeng ha joale;Moetsi e mong ea ikhethang oa li-bulldozer ke Liebheer Group ea Jeremane.Li-bulldozer tsa eona kaofela li tsamaisoa ke khatello ea hydrostatic.Ka mor'a lilemo tse fetang leshome tsa lipatlisiso le nts'etsopele, theknoloji ena e ile ea hlahisa prototype ka 1972. Ka 1974, e ile ea qala ho hlahisa lihlahisoa tse ngata tsa PR721-PR731 le PR741 hydrostatic driven crawler bulldozers.Ka lebaka la ho fokotsa likarolo tsa hydraulic, matla a eona a phahameng ke 295Kw feela, 'me mohlala oa eona ke merafo ea PR751.
Baetsi ba li-bulldozer tse ka holimo tse tharo ba emetse boemo bo phahameng ka ho fetisisa ba li-bulldozers lefatšeng kajeno.Bahlahisi ba bang ba tsoang linaheng tse ling ba li-bulldozers, tse kang John Deere, Case, New Holland le Dreista, le bona ba na le boemo bo phahameng ba theknoloji ea tlhahiso.Feme ea ketane ea bulldozer ea India
Tlhahiso ea li-bulldozers Chaena e qalile ka mor'a ho thehoa ha New China.Qalong, bulldozer e ile ea kenngoa terekere ea temo.Ka nts'etsopele ea moruo oa naha, tlhokahalo ea li-bulldozer tse mahareng le tse kholo merafong e meholo, paballo ea metsi, liteishene tsa motlakase le mafapha a lipalangoang e ntse e eketseha.Leha indasteri ea tlhahiso ea li-bulldozer tse mahareng le tse kholo Chaena e hatetse pele haholo, ha e sa khona ho fihlela litlhoko tsa nts'etsopele ea moruo oa naha.Ka hona, ho tloha ka 1979, Chaena e hlahisitse theknoloji ea tlhahiso ka katleho, litlhaloso tsa ts'ebetso, litekanyetso tsa tekheniki le lisebelisoa tsa lisebelisoa tsa li-bulldozer tse tsoang ho Komatsu Company of Japan le Caterpillar Company ea United States.Ka mor'a tšilo ea lijo le ho monya, le ho sebetsana le theknoloji ea bohlokoa, ho ile ha thehoa mokhoa o neng o laoloa ke lihlahisoa tsa theknoloji ea Komatsu ka 1980 le 1990.Feme ea ketane ea bulldozer ea India
Ho tloha lilemong tsa bo-1960, ho bile le bahlahisi ba ka bang bane indastering ea lapeng ea bulldozer.Lebaka ke hore litlhoko tsa ts'ebetso ea lihlahisoa tsa bulldozer li phahame, bothata bo boholo, 'me tlhahiso ea bongata e hloka matsete a maholo.Ka hona, likhoebo tse tloaelehileng ha li iteta sefuba ho kenella habonolo.Leha ho le joalo, ka nts'etsopele ea 'maraka, ho tloha "Leano la Borobeli la Lilemo tse Hlano", likhoebo tse ling tse kholo le tse mahareng tsa Chaena li se li qalile ho sebetsa ka nako e le 'ngoe li-bulldozer ho latela matla a tsona, joalo ka Inner Mongolia No.1 Machinery Factory, Xuzhou. Loader Factory, joalo-joalo, le ho holisa sehlopha sa indasteri ea bulldozer.Ka nako e ts'oanang, likhoebo tse nyane li ile tsa qala ho theoha ka lebaka la tsamaiso e mpe le tlhoko ea ho ikamahanya le nts'etsopele ea 'maraka,' me tse ling li ikhula indastering.Hajoale, baetsi ba libulldozer tsa lapeng ba kenyelletsa haholo 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., joalo-joalo Ntle le tlhahiso ea li-bulldozers, lik'hamphani tse ka holimo li ile tsa boela tsa qala ho kenya letsoho tlhahisong ea lihlahisoa tse ling tsa mechine ea kaho, tse kang Shantui, e hlahisang lirolara tsa litsela, li-graders, excavators. , li-loaders, forklifts, joalo-joalo fektheri ea ketane ea bulldozer ea India
Nako ea poso: Sep-21-2022
