Rear axle airbag inflating and deflating system and three-axle vehicle using same
A technology of follower axle and air bag, applied in vehicle parts, elastic suspension, suspension and other directions, can solve the problems of complex lifting axle mechanism and high cost, achieve low cost, reduce axle load, and achieve simple effects
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[0011] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0012] An embodiment of an airbag inflation and deflation system for a tag axle
[0013] like figure 1 As shown, the air bag reverse charging and discharging system of the tag axle includes two identical charging and deflation units, and each charging and deflation unit includes an air bag height control valve 1, a normally open solenoid valve 2, an overflow valve 3, a follow-up Bridge air bag 4, middle bridge air bag 5 and height control valve intake pipeline 6. The air intake line 6 of the height control valve is connected to port 1 (intake port) of the airbag height control valve 1, and port 21 (air outlet) of the air bag height control valve 1 is connected to port 1 (normal port) of the normally open solenoid valve 2 , port 22 (air outlet) of the airbag height control valve 1 is connected to the air inlet of the middle bridge airbag 5,...
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