Qayb-hoosaadka bulldozer-ka, warshadda silsiladda bulldozer-ka Hindiya
Crawler dozer (oo sidoo kale loo yaqaan crawler dozer) waxaa si guul leh u sameeyay Benjamin Holt, oo Mareykan ah, sanadkii 1904. Waxaa la sameeyay iyadoo lagu rakibay bulldozer-ka gacanta lagu qaado oo hor yaal cagaf-cagaf-cagaf. Waqtigaas, korontadu waxay ahayd matoor uumi ah. Dabadeed, waxaa la sameeyay crawler dozers oo ay wadaan korontada gaaska dabiiciga ah iyo matoorka gaaska. Daab-cagaf ... Marka laga soo tago bulldozer-yada nooca gurguurta, waxaa sidoo kale jira bulldozer-yada nooca taayirada, kuwaas oo qiyaastii toban sano ka dambeeya bulldozer-yada nooca gurguurta. Bulldozer-yada nooca gurguurta waxay leeyihiin waxqabad dhejis oo ka wanaagsan waxayna sameyn karaan jiidis weyn, sidaa darteed kala duwanaanshaha iyo tirada alaabadooda gudaha iyo dibaddaba aad ayey uga badan yihiin kuwa bulldozer-yada taayirada. Caalami ahaan, Caterpillar waa shirkadda ugu weyn ee soo saarta mashiinnada injineernimada adduunka. Bulldozer-yada nooca gurguurta waxaa ka mid ah taxane waaweyn, dhexdhexaad ah iyo kuwo yaryar D3-D11, D11 RCD-ga ugu weyn, awoodda flywheel-ka ee matoorka naaftada waxay gaartaa 634kw; Komatsu, oo ah shirkad Jabbaan ah, ayaa gashay kaalinta labaad. Sannadkii 1947, waxay bilowday inay soo bandhigto oo ay soo saarto bulldozer-yada D50 ee gurguurta. Waxaa jira 13 taxane oo bulldozers crawler ah, oo u dhexeeya D21-D575, kan ugu yar waa D21, awoodda flywheel ee matoorka naaftada waa 29.5kw, kan ugu weyn waa D575A-3SD, awoodda flywheel ee matoorka naaftadana waa 858kw. Sidoo kale waa bulldozer-ka ugu weyn adduunka hadda; Soo-saare kale oo bulldozer gaar ah waa Kooxda Liebheer ee Jarmalka. Bulldozer-keeda dhammaantood waxaa wada cadaadis hydrostatic ah. Ka dib in ka badan toban sano oo cilmi-baaris iyo horumarin ah, tiknoolajiyadani waxay soo bandhigtay nooc tijaabo ah 1972. Sannadkii 1974, waxay bilowday inay soo saarto bulldozers crawler ah oo PR721-PR731 iyo PR741 hydrostatic drived crawler. Sababtoo ah xaddidaadda qaybaha haydarooliga, awooddeeda ugu badan waa 295Kw oo keliya, qaabkeeduna waa macdan qodista PR751.
Saddexda soo saar ee bulldozer-ka ee kor ku xusan waxay matalaan heerka ugu sarreeya ee bulldozer-yada crawler-ka adduunka maanta. Soo-saareyaasha kale ee ajnabiga ah ee bulldozer-yada crawler-ka, sida John Deere, Case, New Holland iyo Dreista, ayaa sidoo kale leh heer sare oo tignoolajiyada wax soo saarka ah. Warshadda silsiladda bulldozer-ka Hindiya.
Soo saarista bulldozer-ka Shiinaha waxay bilaabatay ka dib markii la aasaasay Shiinaha Cusub. Markii hore, bulldozer-ka waxaa lagu rakibay cagaf-cagafyada beeraha. Iyadoo la horumarinayo dhaqaalaha qaranka, baahida loo qabo bulldozer-yada dhexdhexaadka ah iyo kuwa waaweyn ee ku jira macdanaha waaweyn, ilaalinta biyaha, saldhigyada korontada iyo waaxyaha gaadiidka ayaa sii kordhaya. In kasta oo warshadaha wax soo saarka ee bulldozer-yada dhexdhexaadka ah iyo kuwa waaweyn ee ku yaal Shiinaha ay sameeyeen horumar weyn, haddana ma dabooli karaan baahiyaha horumarinta dhaqaalaha qaranka. Sidaa darteed, tan iyo 1979, Shiinaha wuxuu si isdaba joog ah u soo bandhigay tiknoolajiyada wax soo saarka, qeexitaannada habka, heerarka farsamada iyo nidaamyada agabka ee bulldozer-yada gurguurta ee ka socda Shirkadda Komatsu ee Japan iyo Shirkadda Caterpillar ee Mareykanka. Ka dib dheefshiidka iyo nuugista, iyo teknoolojiyada muhiimka ah ayaa wax laga qabtay, qaab ay ku badan yihiin alaabada teknoolojiyada Komatsu sannadihii 1980-meeyadii iyo 1990-meeyadii ayaa la sameeyay. Warshadda silsiladda bulldozer-ka Hindiya
Tan iyo 1960-meeyadii, waxaa jiray ilaa afar soo-saare oo ka tirsan warshadaha bulldozer-ka ee gudaha. Sababtu waxay tahay in shuruudaha habaynta ee alaabta bulldozer-ku ay sarreeyaan, dhibku waa weyn yahay, wax soo saarka baaxadda lehna wuxuu u baahan yahay maalgashi weyn. Sidaa darteed, shirkadaha caadiga ah kuma dhiirran karaan inay si fudud ugu lug yeeshaan. Si kastaba ha ahaatee, horumarinta suuqa, tan iyo "Qorshaha Shanta Sano ee Sideedaad", qaar ka mid ah shirkadaha waaweyn iyo kuwa dhexdhexaadka ah ee Shiinaha ayaa bilaabay inay si isku mid ah u shaqeeyaan bulldozers iyadoo loo eegayo awooddooda, sida Inner Mongolia No.1 Machinery Factory, Xuzhou Loader Factory, iwm., waxayna ballaariyeen kooxda warshadaha bulldozer. Isla mar ahaantaana, tiro yar oo shirkado ah ayaa bilaabay inay hoos u dhacaan sababtoo ah maamul xumo iyo baahida loo qabo in la qabsado horumarinta suuqa, qaarna way ka baxeen warshadaha. Waqtigan xaadirka ah, soosaarayaasha bulldozer-ka gudaha waxaa ugu badan 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., iwm. Marka laga soo tago soo saarista bulldozers-ka, shirkadaha kor ku xusan waxay sidoo kale bilaabeen inay ku lug yeeshaan soo saarista alaabada kale ee mashiinnada dhismaha, sida Shantui, oo sidoo kale soo saarta rollers-ka waddooyinka, graders-ka, qodayaasha, rarida, forklifts-ka, iwm. Warshadda silsiladda bulldozer-ka Hindiya.
Waqtiga boostada: Sebteembar-21-2022
