The role of the steering gear is to properly transform […]
The role of the steering gear is to properly transform the steering torque and steering angle from the steering wheel (mainly to reduce the speed and increase the torque), and then output them to the steering linkage mechanism so that the car can turn. Therefore, the steering gear is essentially a reduction transmission device. There are many types of steering gear, such as rack and pinion types, recirculating ball type, worm crank pin type, power steering gear, etc.
Mechanical steering gear can be divided into rack and pinion type, circulating ball type, worm crank pin type, circulating ball crank pin type, worm roller type, etc. according to different structural forms. Commonly used are rack and pinion type, circulating ball type and worm crank finger pin type. Rack and pinion steering gear is the simplest kind of steering gear.
It has the advantages of a simple and compact structure, high stiffness, low cost, sensitive steering, high forward and reverses attack rate, and easy layout. It is especially suitable for candle suspension and McPherson suspension. It can also directly drive the tie rod to simplify the steering transmission mechanism. Therefore, it is widely used in cars, micro trucks and light trucks.