Semi trailer air suspension semi trailer air lift suspension

Quick Details

The air suspension device of a truck and a semi trailer belongs to the automobile parts. It includes a bracket is fixed on the frame, elastic sleeve, supporting shaft, an arc pull arm, welded on the pull arm in the middle of the positioning ring, mounted on the axle axle fixed seat, pull arm gland, pulling arm lining, will pull the arm of the gland and the axle seat is fixed together with the arc pull arm and a bushing fixed on the vehicle bridge U-shaped bolt and nut, fixed in the arc of the pull arm and the other end of the air bag base with the airbag, fixed plate, a pin connected in the arc of the pull arm between the frame and the shock absorber and installed on the bracket on the control rod is connected with a high degree of valve on the axle. The elastic sleeve and the pull arm bushing are made of polyurethane. Shock absorber for hydraulic cylinder. It has good shock absorption and reliable handling stability and eliminate the leaf spring transportation vehicle in no-load and full load condition differ of offset frequency is a big disadvantage, to ensure the vehicle running smoothly, safe and reliable. Can be widely used in precision instruments and other equipment, material transport. 1 a truck, semi trailer air suspension device is installed between the frame and the axle, including elastic element, shock absorber and its connection structure, characterized in that it comprises a fixed on the frame with a shaft hole is sheathed in the shaft hole of the bracket, the elastic sleeve installed on the elastic support shaft sleeve and hinged on the support shaft arc welding in the pull arm, arm pull central positioning ring, mounted on the axle to the positioning ring and a positioning axle half shaft hole is buckled on the fixed seat, the axle fixed seat and a half shaft hole of the pull arm is sheathed in the gland, located in the central arc pull arm axle the fixed seat and the pull arm between the gland shaft hole of the pulling arm bushing, pull arm and gland axle fixed seat together with the arc arm pull and pull arm bushing fixed on the axle two U bolt and nut, fixed on the other end of the curved arm pull Air base and air bag, and the gasbag is connected at the top of the fixed plate and connected in the arc of the pull arm between the frame and the shock absorber and installed on the bracket the control of connecting rod axle and connected with the gas path of air bag and vehicle height valve, fastening plate is fixed on the vehicle frame, elastic element is bag of air spring.