What type of power assist system is the steering system of the Santana car?

** is electronically assisted, with a booster motor on the direction column.

Hello, the steering system of all models adopts the EPS electronic power steering system, which is purely electronic and does not have hydraulic pressure.

Automotive power steering, or power steering, has become the standard feature for most cars, trucks, and vans. As the name suggests, power steering is a device that helps the driver reduce the power of the steering wheel when adjusting the direction of the car.

Classification of automotive power steering systems:

Hydraulically assisted and electric power steering.

1. Hydraulic power steering system.

Hydraulic power steering systems have a history of half a century. It can be said that the technology is very mature, so it is widely used. The hydraulic power steering system consists of hydraulic and mechanical parts.

Hydraulic oil is used as the power transmission medium, and the power generated by the hydraulic pump drives the steering gear to achieve power steering.

The hydraulic pump of the hydraulic power steering system is driven by the engine. In order to ensure the lightness of the car when turning in place or at low speeds, the hydraulic pump should ensure the flow of the engine when idling.

This system has to work regardless of whether it rotates or not, and when it rotates at low speed, it needs the hydraulic pump to output more power to get more power, which wastes the power resources of the engine to a certain extent. This can also be said to be a disadvantage of hydraulic power steering.

2. Electric power steering system.

The first electric power steering systems appeared in the mid-70s of the 20th century. At that time, the purpose of this system was to prevent the vehicle from suddenly losing control of the vehicle when the engine suddenly stopped working while the engine was moving, and the hydraulic power was lost. At this point, the battery-powered electric power steering system is put into operation.

Hyundai electric power steering has been further developed, mainly because of the following advantages:

1.It does not consume electricity when not turning, and saves 3-5% of fuel compared to hydraulic power systems.

2.It is simpler than hydraulic power steering and has no parts such as oil pumps, hydraulic oil, oil pipes, oil tanks, etc.

3.Environmental protection.

At present, the application of electric power steering in China is not very common, and the main reasons are as follows:

a. The technology is not mature.

b.High cost.

c.The road surface in China is quite complex, which has a great impact on the service life of the motor.

Classification of electric power steering systems:

1. Electro-hydraulic power steering system.

The drive of the hydraulic oil pump is independent of the engine. Driven by a high-performance brushless DC motor controlled by an intelligent ECU, it supplies the steering gear with pressure oil according to steering needs. Fuel consumption can be reduced by more than 3% depending on the model compared to hydraulic power assist.

2. Electric power steering system.

Electric power steering is a fully automatic power steering system that is independent of the engine. The system eliminates the traditional hydraulic pumps, oil pipes, oil tanks, hydraulic oil pumps, pulleys and other components. Compared to the hydraulic steering system, fuel consumption is reduced by about 4%.

The photo shows the electric power steering system. It consists of an electric motor, an electronic control unit, a steering gear, and sensors. @2019

1. The steering gear of Shanghai Santana passenger car is composed of the steering wheel, steering shaft, steering snail sweat, tooth fan and other main parts.

2. The power steering is used for distressed engineering vehicles, and the power steering used for automobiles is called power steering (formerly known as power steering). There are two types of power steering: hydraulic power assist and electric power assist. The hydraulic power steering is composed of gears, racks, cylinders and other parts (trolley), or by the gear width of the tooth fan, steel ball hole ruler, oil cylinder, etc. (large car).

The electric power steering is composed of steering mechanical structure, power motor, torque sensor, etc.; The hydraulic steering system is composed of a steering gear, a steering power pump, a ball joint tie rod mechanism, etc.; The electric power steering system consists of two parts: the steering gear and the ECU controller.

1. The steering gear of Shanghai Santana passenger car is composed of steering wheel, steering shaft, steering snail sweat, tooth fan and other main and residual parts.

2. The power steering is used for engineering vehicles, and the power steering used for automobiles is called power steering (formerly called power steering). There are two types of power steering: hydraulic power assist and electric power assist. The hydraulic power steering is composed of gears, racks, cylinders and other parts (trolley), or by the gear fan, steel ball, oil cylinder, etc. (cart).

The electric power steering is composed of steering mechanical structure, power motor, torque sensor, etc.; The hydraulic steering system is composed of a steering ruler and device, a steering power pump, a ball joint tie rod mechanism, etc.; The electric power steering system consists of two parts: the steering gear and the ECU controller.

The basic components of the steering system.

1) Steering control mechanism.

It is mainly composed of steering wheel, steering shaft, steering column, etc.

2) Steering gear.

This is a mechanism that transforms the leakage rotation of the steering wheel into the swing of the steering rocker arm or the sharp linear reciprocating motion of the rack shaft, and amplifies the re-directional steering force. The steering gear is generally fixed on the frame or body of the car, and the steering control force will generally change the direction of transmission after passing through the steering gear.

3) Steering transmission mechanism.

This is a mechanism that transmits the force and motion output from the steering gear to the wheels (knuckles) and deflects the left and right wheels according to a certain relationship.

Such a professional problem, you go to the school to find a teacher to tell you, it is best to find the car side of the regret orange technical school, the former spring school is clear, the teacher of the sports group will be more professional.

Toothed pick-up rack and pinion steering gear It is mainly composed of pinion, rack, adjusting screw, shell and rack guide block, etc., and the steering gear gear is at the lower end of the steering spindle and meshes with the steering rack. When the steering wheel is rotated, the pinion in the steering gear rotates, driving the rack in the steering gear in the direction.

The direction of the disk rotation is moved. The action of the steering gear rack is transmitted to the knuckle arm through the end of the steering rack and the end of the steering tie rod, so that the wheel turns. Rack and pinion type, the steering gear has the advantage of being rearranged by the lower brother.

1) The structure is single, and the structure is lightweight. Due to the small size of the gearbox, the rack itself has the function of a drive rod system, so it does not need to play the tie rod used on the recirculating ball steering gear.

2) Due to the direct engagement of the gear and rack, the control sensitivity is very high.

3) The sliding and rotational resistance is small, and the torque transmission performance is good, so the steering force is very light.

4) The steering mechanism assembly is completely enclosed and can be exempted from maintenance.

There are many benefits such as being able to turn quickly and prevent breakage