Through the previous understanding, we understand that in the end the disc plays a very important role in the performance of special vehicles. A good chassis selection can not only save unnecessary costs for itself, but also can enhance the driving experience and better reflect the special car. Special features. Faced with numerous chassis manufacturers, how do we choose a suitable chassis? In fact, the chassis of a special-purpose vehicle has a large number of parameters. Knowing these parameter information can help us determine the most suitable chassis according to our own needs. power Those who understand the relationship between energy and work should all be very clear that if an object is to move, it must do its work. In the course of driving, special vehicles need to continuously provide driving force. The stronger and more stable the driving force is, the stronger their sports ability is, and the more accelerating ability per unit time is. Therefore, the power of the engine largely affects the speed that the car can reach. Due to various reasons such as friction and energy loss, the power of the engine cannot be fully reflected in the driving force of the vehicle. With the impact of the entire vehicle quality, the effective output power of the engine will be greatly reduced. Therefore, we need to use special vehicles. Consider the loading rate of 75%-90% to drive the special device to work. By such standards, we can understand whether the engine is normal, full, or overloaded. This has a great influence on the service life of the engine. Torque Like the power, torque also affects the mobility of the vehicles. Their relationship with the engine is roughly as follows. Under the same driving force, the faster the engine speed is, the higher the power is, the lower the torque is. Conversely, the smaller the power, the greater the torque. Big. Torque is more reflected in the energy that can be generated by one revolution of the engine crankshaft. It's very obvious when it is at rest or at low speed. I think it's more appropriate to use toughness to describe the torque of a vehicle. In terms of cars, the greater the torque, the better the accelerating effect of 0-100 km; for off-road vehicles, the greater the climbing slope; for trucks, the torque is reflected in the weight. The weight of a general purpose vehicle is much larger than that of a sedan. The engine with a higher torque can better face various complicated environments. Number of axes The number of axles is mainly related to the quality of the vehicle's vehicle, the restrictions imposed by the road regulations on the axle load, the load capacity of the tire, and the structure of the vehicle. In general, the weight per axle does not exceed 9t. At present, special-purpose vehicles can have two-axis, three-axis, four-axis or even more axes. Due to the simple structure and low manufacturing cost of a two-axle automobile, vehicles with a total mass of less than 19t often use this form. Drive form In the front, we learned about the form of driving, which is mainly reflected in the passing capacity of vehicles. It can well reflect the driving ability of the vehicle in rough and loose soil, desert and other ground. The minimum ground clearance, approach angle, departure angle, longitudinal passing angle, minimum turning diameter, inner wheel difference, turning lane, and wheel radius are all important vehicle passing indicators. Many special vehicles work in more complex environments, so they need to have stronger driving capabilities. Layout The layout and driving form of the engine mainly include engine front drive, front drive, rear drive, rear drive and all-wheel drive. In special vehicles, the layout of the engine more considers the convenience of the conversion. Wheelbase The wheelbase mainly affects the length, quality and some performance of the special-purpose vehicles. Under the premise of guaranteeing the function of the special vehicle, the shorter the wheelbase, the better the vehicle's maneuverability. Track distance The wheelbase largely depends on the width of the vehicle. Larger wheelbase can increase the stability of the dedicated device and increase the loading capacity. Therefore, on the premise of meeting the total width, try to select a chassis with a wider wheelbase. Car conditioning quality For special vehicles that need to be converted to complete transportation tasks, the use of a special vehicle chassis with a low trimming mass can improve the loading quality. There are many things that we need to understand about the chassis of a special vehicle. Whether it is a car or a modified car, the applicability, reliability, convenience, and reasonable price of the chassis are all factors to be considered. Through various indicators, we can clearly understand the practicality of the product and then combine it with our own needs to find the one that is most suitable for you. This article uses the form of graphics, a very intuitive introduction, for reference. Http://news.chinacar.com.cn/newsview106119.html
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