Common accessories for semi-trailers include: axles, suspensions, leaf springs, outriggers, brake chambers, air cylinders, steel rims, tires, relay valves, rope tighteners, spare tire lifters, pull rods, towing pins, lights, etc. 12. In addition, drive shafts, gearbox synchronizers, rear axle gears, dryers, gear lines, engine filters, quadruple sleeves, oil pipes, etc. are also common semi-trailer accessories 12.
Detailed classification and functions of semi-trailer accessories
Axles: Support vehicle weight, transmit driving force and braking force.
Suspension: Reduce vibration during vehicle driving and improve driving stability.
Leaf springs: Provide vehicle elasticity and carrying capacity.
Outriggers: Support device for stable support when the vehicle is parked.
Brake chamber: Convert high-pressure gas into mechanical energy to achieve vehicle braking.
Air cylinder: Store compressed air for use by the braking system.
Steel rims: Support tires and protect them from damage.
Tires: Provide vehicle mobility.
Relay valve: Shorten braking reaction time and improve braking efficiency.
Tightener: Secure cargo to prevent it from moving.
Spare tire lifter: Convenient for replacing spare tires.
Tie rod: Connects various parts of the vehicle to enhance overall structural strength.
Towing pin: Connects trailer and tractor.
Lights: Provide lighting at night or in bad weather.