A semi trailer is a trailer whose axles are located behind the centre of gravity of the vehicle (when the vehicle is loaded evenly) and equipped with couplings which transfer horizontal and vertical forces to the tractor.
how can we know the difference between a semi trailer and a full trailer?
What are the precautions for the use of semi trailers?
What is a vehicle-type semi trailer?
how can we know the difference between a semi trailer and a full trailer?
Different from a full trailer, a semi-trailer is which the axles are placed behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and equipped with a coupling device that allow it transmit horizontal or vertical forces to the tractor. Generally, we can see that a full trailer has two axles and a semi trailer. Trailer with one axle. A semi trailer refers to a vehicle that has no power and is jointly carried with the main vehicle and is driven by the main vehicle.
Simply put, the full trailer is connected to the front truck with a hook. The semi trailer is connected to the traction seat of the tractor through the traction pin. The common container transport vehicle is a typical semi trailer train, and the rear loading part is the semi trailer.
There are also differences in use. Full trailers are mainly used for short-distance transportation in factories, ports, wharves, warehouses, etc., while semi trailers are mainly used for long-distance transportation of goods.
What are the precautions for the use of semi trailers?
First the tyre check
The tyre pressure of the trailer should be checked monthly at room temperature. If it is below the normal standard, the tyre pressure should be replenished in time. The air pressure must not be too high or too low, otherwise driving safety will be compromised. Check the tyre for cracks and replace the tyre in time if there is a safety risk. The model should be the same when selecting tyres for semi trailers.
Second, the maintenance and inspection of the battery
Check if the battery is stuck, the electrolyte should be between the upper and lower limits and the electrolyte or distilled water should be filled into the high-level line in time when it is near the offline line line line line line line line line. Keep the plus and minus cable of the trailer battery in good contact and keep the battery clean and dry. Remove the plus and minus cables of the battery for vehicles that have been shut down for a longer period of time and restart the battery after about half a month and start the engine for about 20 minutes. If the battery is obviously not enough, it should be charged in time.
Third, the control of the liquid state of the coupling carrier cylinder
If the coupling fluid level is between high and low, this means that it is normal. If it is lower than the standard line, the main brake cylinder or secondary pump reservoir may be damaged. With the motor running of the trailer it is difficult or impossible to switch the gear on. Please proceed to maintenance at the next maintenance station.
What is a vehicle-type semi trailer?
The vehicle-type semi trailer is a semi trailer designed with a fence structure. It mainly transports limousines, but can also transport passenger vehicles such as vans, commercial vehicles and jeeps.
1. The body consists of a bar and cabinet structure which has a light structure and low weight. Most of them are upper and lower loading platforms. The platforms are opened by hydraulic cylinders and wire ropes, which have the advantages of stable lifting and multiple positioning.
2. Light structure: The entire vehicle assumes a structure of a technical structure, the frame is worn as a whole without the longitudinal structure of the trailer, and its own weight is light, which is about 30% less than for similar vehicles.
3. Safe and comfortable operation: All loading and unloading platforms have reliable lift control, clear observation and accurate operation.
4. Suspension system: It has a unique mounted suspension system with leaf spring, a leaf spring with variable cross section and good riding comfort.
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