Ngwa ihe egwu egwu SK200-5 excavator isi njikwa nchekwa valvụ YN22V00002F1

N'ime mmepụta ihe a na-ewu kwa ụbọchị, excavator bụ igwe a na-ejikarị arụ ọrụ, nke a na-ejikarị eme ihe na ntọala nke ụlọ obibi na nhicha mgbe emechara, ntinye pipeline nke obodo, ihe nchekwa mmiri nke ala ubi na oge ndị ọzọ, yana uru nke ịrụ ọrụ na-agbanwe agbanwe na elu. arụmọrụ. Excavator na-ejikarị ngwaọrụ arụ ọrụ, ngwaọrụ na-atụgharị, ụgbọ ala, ngwaọrụ na-eje ije na sistemu njikwa hydraulic, nke bụ ihe a na-apụghị izere ezere na sistemụ njikwa hydraulic iji valvụ enyemaka, valvụ enyemaka na sistemu hydraulic na-arụ ọrụ nke nrụgide mgbe niile na-erubiga ókè na nchekwa nchekwa. Ka ọ dị ugbu a, valvụ enyemaka a na-eji na excavator bụ valvụ enyemaka pilot, dị ka egosiri na Figure 1 na Figure 2. Ọ bụ isi ihe na-ebuli isi 1, isi valvụ isi 2, ogwe aka valve 3, valve valve isi 4, nrụgide na-achịkwa mmiri. 5 na valvụ valvụ pilot 6. A na-enye isi ihe na-ebuli elu, akwa valvụ isi na uwe valvụ pilot na oghere, mmanụ nrụgide na-abanyekwa n'isi oghere valvụ isi site na oghere damping nke isi na-ebuli elu ma na-eme ihe na isi valve pilot. Mgbe nrụgide usoro ahụ na-erughị nrụgide mmeghe nke spool pilot mbụ, valvụ onye na-anya ụgbọ mmiri dị na steeti mechiri emechi, na nrụgide n'ime na n'èzí nke isi spool hà nhata. N'ihi ọdịiche dị na mpaghara ime na n'èzí, isi spool na-anọgide na-emechi n'okpuru omume nke nrụgide mmiri mmiri; Mgbe nrụgide usoro ahụ dị ukwuu karịa nrụgide mmeghe nke valvụ valvụ onye na-anya ụgbọ mmiri, a na-akwapụ valvụ onye na-anya ụgbọ mmiri site na mmanụ nrụgide, mmanụ nrụgide na-alaghachi na tank ahụ site na oghere ogwe aka nke pilot na oghere ogwe aka nke isi. N'oge a, a na-emepụta nrụgide nrụgide mgbe mmiri mmiri na-agafe na oghere damping nke isi ihe na-ebuli elu, nke mere na nrụgide dị n'ime nke valvụ valvụ spool dị n'ime ya dị ukwuu karịa nrụgide ụlọ dị n'èzí, nke na-eme ka valvụ isi na-emeghe, na. mmanụ hydraulic na-alaghachi na tank site na oghere aka aka valve isi. Mgbe nrụgide usoro ahụ na-adaba na obere nrụgide mmeghe nke onye na-anya ụgbọelu, onye na-anya ụgbọelu na-emechi, na mgbe ọdịiche dị n'ime na n'èzí nke isi spool dị ntakịrị, a na-emechi oghere n'okpuru omume nke nrụpụta mmiri. Otú ọ dị, n'iji ya eme ihe n'ezie, a na-achọpụta na mgbe a na-eji valve enyemaka dị n'elu, onye na-anya ụgbọ mmiri kwesịrị imeghe ma mechie ugboro ugboro, na mmeghe na mmechi nke valvụ onye na-anya ụgbọelu na-ekpebi arụmọrụ nke valve enyemaka, ya mere akụkụ ahụ. nke oghere aka uwe valvụ pilot na kọntaktị na cone pilot valvụ isi dị ezigbo mkpa. Iji hụ na nkwụsi ike nke valvụ enyemaka enyemaka, mpaghara aka uwe valvụ na-anya ụgbọ elu na-achọkarị izi ezi machining. Oghere mkpuchi valvụ onye na-anya ụgbọ elu dị ogologo, onye na-anya ụgbọ mmiri na mpaghara nhazi na ule siri ike karị, nhazi nhazi bụ ihe siri ike iji hụ, na-akpata arụmọrụ valve pilot enweghị ike ijide n'aka nke ọma, nkwụsi ike nke valve enyemaka dị ukwuu. emetụta, na mgbakwunye, isi valvụ isi na isi valvụ aka n'etiti coaxial na-adabere na pilot valve sleeve screw positioning iji hụ na, n'ihi na valvụ valvụ na-anya ụgbọ elu dị ogologo, Obere ngbanwe nke ntinye eri ga-emetụtakwa dabara nke ọma. isi spool na isi aka valvụ, na-ebute akara adịghị mma na ntapu.