To see a small screw axle rear axle crane is not regular, big and small the same

Buy small crane Precautions Buy small crane, a vehicle depends on the appearance of a small crane, small crane structure, small crane hydraulic system, there is no certification, especially small crane front and rear axles and gearbox, is not innovative! Verify small crane old gearbox, front and rear axles trick to have: the ability to investigate the appearance of a small crane front and rear axles have dirty oil, can scratch the metal weapon look dead there is no slop! To see a small screw axle rear axle crane is not regular, big and small the same, especially since marginal axoneme empty thread is not clear, there is no split at the scene.Small crane / crane pallet jacks suspension system of a small multi- axle chassis a necessary condition , in addition to multi-axis can play a balancing effect, but can add a whole roll stiffness to overcome brake forward, frame height and lock conditioning dead suspension and other functions. Small crane / crane pneumatic suspension system consists of a small gas flow system with stretched spring and composition . Small crane / small crane gas spring is stretched gas as elastic components, the introduction of the gas and oil between the piston as a central medium ; while with fluid flow system using activity balance shaft bearing , vibration damping , regulating body height.
Small crane / small crane pneumatic suspension system has the following advantages .
    Enhanced Oil stretched spring pressure to accumulator with steel tube as an elastic element , able to accept very high pressure , generally up to 20MPa, therefore , small size, light weight, axle load for heavy duty steel stretched spring when the mass ratio of the light 50 % or more.
    Effectively balance shaft bearing pneumatic suspension system can converge through the pipeline , different axle oil stretched spring cylinders link up play balance shaft bearing results.