708-23-00921 Relief Valve .
Bulldozer safety valve chungchang hriattirna1. DefinitionBullDozer Safety Valve hi hydraulic system key circuit-a dah (working devices, steering, walking, etc.) key circuit-a dah, automatic opening leh closing pressure control valve a ni. System pressure chuan preset safety value a pelh chuan valve chu automatic-in pressure tihziaawmna turin a inhawng a; Pressure chu a pangngaia a kir leh hnuah system hnathawh pressure pangngai vawng reng turin valve chu khar a ni.2. Working PrincipleHe valve hi "pressure force balance" atanga siam a ni a, Than the spring force, leh valve core chu a inhawng a. Hydraulic oil thenkhat chu safety valve (pressure relief) kaltlangin oil tank-ah a chhuak leh a, chu chuan system pressure chu a tlahniam a ni.Pressure chu safe value aia hniam a nih chuan, spring force chuan valve core chu khar leh turin a nawr a, system chu normal-ah a kir leh a, bulldozer safety valve chu a hydraulic system-a core safety device a ni a, a bik takin system pressure chu a value tarlan aia tam lo turin a hmang a ni. Equipment emaw pipeline chhunga medium pressure a san leh set threshold a pelh chuan safety valve chu a inhawng nghal ang a, system pawn lama medium discharge-in pressure a tihhniam ang a, equipment chhiatna emaw, overpressure avanga safety accident emaw a awm loh nan. A structure hian a tlangpuiin key components valve body, valve core, leh spring te a huam a ni. Valve core hian spring force leh system pressure balance hnuaiah opening leh closing control a nei thei a, hei hi loader safety valves "spring valve core" driving principle ang chiah a ni.
Bulldozer Safety Valve hman dan tur .
Bulldozer-a hydraulic system hi a hnathawh leh kea kal theihna tur "power center" a ni a, hnathawhna hmanrua (bulldozer, bulldozer), steering system, kal dan, etc. Safety valve-te hian heng system-ah hian humhimna hna pawimawh tak an thawk a ni:
1. Hnathawhna hmanrua hydraulic system (core hman dan tur scenario) .
Bulldozer-a bulldozer blade (lifting, tilting) leh loosening device (lifting, leia lut) te hian hydraulic cylinder khalh turin an innghat a, an hnathawh lai chuan load rang tak tak (bulldozer blade harsa tak tak tawk emaw, loosening device lo chhuak emaw ang chi) chuan cylinder chhungah pressure a tisang nghal thei a ni.
Safety valve hi oil cylinder-a oil inlet circuit-ah dah a ni. Pressure chuan safety value a pelh chuan (a tlangpuiin system-a rated pressure aiin 1.1-1.2 a pelh chuan), valve chu a inhawng a, high-pressure oil thenkhat chu oil tank-ah a chhuah leh a, cylinder barrel leh piston rod-a deformation emaw bursting emaw a awm loh nan a veng a, overload a tam lutuk avangin oil cylinder-a cylinder-in a tihbuai hydraulic pump chu a venghim a ni).
Steering hydraulic system hmanga siam a ni.
Bulldozer steering hian track hrang hrangte differential speed khalh turin hydraulic cylinder (or hydraulic motors) a hmang a ni. Steering laiin track-te chu a buai nghal a nih chuan (leiah a tlakbuak emaw, obstacle-a inhnaih emaw ang chi) steering oil circuit-a pressure chu a pung nghal vek ang.
Steering circuit-a safety valve hian pressure a ti reh nghal vat thei a, steering cylinder, steering pump, emaw steering control valve chu overpressure avanga a hlawhchham loh nan a veng thei a, steering system rintlak a nih theih nan a pui thei a, "stuck and out of control" a awm theihna tur a veng thei bawk.
. Walking hydraulic system .
Bulldozer thenkhat chuan kea kal nan hydraulic drive an hmang a (fully hydraulic bulldozers ang chi), kea kal motor chuan hydraulic oil kal tlangin track chu a khalh chhuak thin. Track chu lungpuiin a tlakbuak emaw, a lawn laiin load a lian lutuk emaw chuan walking oil circuit-a pressure chu a danglamin a pung ang.
Tunah chuan walking circuit-a safety valve chu pressure tihziaawmna atan hawn a ni a, chu chuan kea kal motor, hydraulic pump, leh high-pressure pipeline te chu motor gear a crack a, pipeline bursting leh overload avanga fault dang a awm loh nan a venghim a ni. Safety valve-a industrial value tlangpui .
Safety valve hi boiler, pressure vessel, steam system, etc. ang chi field-ah te hman a ni nasa hle a, entirnan:
Steam System: Overpressure avanga puak thei lo tur venna atan pressure reducing valve, flash tank, heat storage device, leh hmanraw dang te hnuaiah dah a ni.
Special Industry: Heat Transfer Oil Boiler hian A40 type safety valve hmangin high temperature oil leh gas 350℃aia sang a hmachhawn theih nan a hmang a, air compressor hian safety valve kaltlangin gas lakkhawmna tank himna a venghim a ni. "Automatic overpressure relief pressure recovery closure" tih thupui ber chu industrial system-te him taka kalpui theihna tura khawvel pum huap guarantee a ni.
Bulldozer safety valve hi hydraulic system "safety guard" a ni a, pressure control dik taka overload a veng thei a ni. A hman dan hi core system hmanga kalpui a ni a, chu chu working device, steering, leh walking te a ni a, bulldozer te pawh a tha leh him taka an hman theih nan key component a ni. Practical hmannaah chuan a sensitivity leh a rintlak leh rintlak loh enfiah turin pressure setting leh sealing te enfiah fo a ngai a ni .
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