Traditional Culture Encyclopedia - Traditional festivals - How many kinds of cars are there?
How many kinds of cars are there?
First of all, according to the purpose
1, transport vehicle
(1) bus
Carrying 2 ~ 9 passengers (including drivers), mainly for personal use.
(2) Bus
Take more than 9 people, mainly for public service. According to the different service modes, the structure of buses is also different, which can be divided into city buses, long-distance buses, group buses and sightseeing buses. ?
(3) trucks
It is used to carry all kinds of goods, and its cab can also accommodate 2 ~ 6 passengers. Due to the variety of goods carried, the loading capacity of trucks and the structure of trunk are also different, which are mainly divided into two types: ordinary trucks and special trucks. ?
(4) Traction trolley
Cars used exclusively or mainly for towing trailers can usually be divided into semi-trailers and full trailers. Leading cars are equipped with some trailer brakes and trailer electrical wiring boards.
2. Special purpose vehicles
(1) recreational vehicle
Cars used for holiday entertainment, transportation is not the main task of this kind of cars. Examples of recreational vehicles are tour buses, golf course buses, ATVs, etc.
(2) Racing
It is a car designed according to specific racing specifications. Well-known competition norms include Formula One competition, rally and so on. Although the structure and design principle of racing car are basically the same as other cars, its use is very special. ?
(3) Special operation vehicles
Refers to vehicles equipped with various special equipment for the following special operations. Special vehicles refer to special vehicles whose dimensions and weight exceed the design vehicle limit. They are specially manufactured or modified, equipped with fixed devices and equipment, and their main function is not to carry people or goods.
Second, press the power supply device.
1, piston internal combustion engine car
Divided into gasoline vehicles and diesel vehicles. Gasoline and diesel will still be the main fuels of piston internal combustion engine in the near future, and the research work of various alternative fuels is also vigorously carried out. Piston internal combustion engines can also be divided into reciprocating piston internal combustion engines and rotary piston internal combustion engines according to the motion mode of their pistons.
2. Electric cars
The power device is a DC engine, and the energy supply device of the engine is usually a chemical battery. The traditional lead-acid battery is not completely satisfactory in weight, charging interval, life and discharge capacity, which limits the popularization of electric vehicles. ? The power supply device of the motor can also be a solar cell or other forms of power supply.
3. gas turbine locomotive?
Gas turbines have high power, small mass and good torque characteristics, and there are no strict restrictions on the fuel used, but they have high oil consumption, high noise and high manufacturing cost.
Third, according to the driving conditions
1, road car
Refers to cars that mainly drive on highways and urban roads. The length, width, height and single axle load of road vehicles are all restricted by traffic regulations. ?
2. Off-highway vehicles
"Cars" that are beyond the limits of highway traffic laws and regulations and are generally not allowed to drive on highways can be divided into two categories: cars with total mass, single axle load mass and external dimensions that are beyond the limits of highway traffic laws and regulations and can only drive on special roads or areas without roads such as mines, construction sites, airports and factories.
Fourth, according to the driving mechanism
1, wheeled vehicle?
Usually it can be divided into two types: non-all-wheel drive and all-wheel drive. The driving type of an automobile is generally represented by the symbol "n×m", where n is the total number of wheels (1 wheel is still counted by installing rims and tires on 1 wheel) and m is the number of driving wheels. ?
2. Other types of vehicles?
Such as tracked vehicles, sledge vehicles, air cushion vehicles, walking mechanical vehicles, etc.
References:
Baidu encyclopedia-car types
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