Casters, a small component widely used in a variety of mobile mechanical equipment, seem simple in structure, but actually contain clever design principles. This article will introduce the structural principle of casters in detail, so that readers can understand its internal mechanism.
One、The formation of casters
A caster is a kinematic mechanism consisting mainly of two wheels and a foot. The foot is a unique mechanical component, shaped like a 'human' -shaped structure, consisting of a rod fixed in a central position and two rods of different lengths. These two rods of different lengths form two angles, one parallel to the fixed rod and the other connected to one side of the wheel.
Two、The working principle of casters
When the rod connected to the side of the wheel rotates, due to the special design of the Fuma foot, the rotation will be transmitted to the fixed rod through it, so that the wheel on the fixed rod will also start to rotate. In this process, due to the different lengths of the two rods, the wheel on the fixed rod does not rotate at the same speed as the wheel on the other side, but the sum of their rotational speeds always remains the same.
This structure allows the wheel to rotate at a fixed speed and is widely used in various mechanical drives. For example, hand meat grinder, hand washing machine and other equipment have the application of casters. This mechanism is characterized by simple structure, easy maintenance, low noise, and can also withstand large loads.
Three、Application of casters
The application range of casters is very wide, not only in the industrial production line can be seen, in daily life can also be seen. For example, supermarket trolleys, hospital beds, airport luggage carts, etc., all use casters. The use of casters greatly facilitates our life and work, and also makes the equipment more flexible to move and transport.
