What is the car steering gear
The automobile steering gear , also known as the steering machine or direction machine, is the core component of the automobile steering system. Its main role is to convert the rotational motion applied by the driver through the steering wheel into a straight line motion, thereby driving the steering wheels of the vehicle (usually the front wheels) for steering operations. The steering gear is essentially a deceleration transmission device, which can properly transform the steering torque and steering Angle of the steering wheel, especially the deceleration and torque increase, and then output to the steering rod mechanism, so as to realize the steering function
Type and structure
There are many types of automotive steering gear, common ones include:
Rack and pinion : Steering is achieved through the engagement of pinion and rack.
Cycle ball : Transfer torque and motion through the cycle ball.
worm and crank finger pin : use the engagement of worm and crank finger pin to transmit force.
worm roller type : through the engagement of worm and roller to achieve steering.
These different types of steering gear each have advantages and disadvantages and are suitable for different vehicles and driving needs
Working principles and application scenarios
The working principle of the steering gear is to convert the rotating force exerted by the driver through the steering wheel into linear motion through a series of gear or roller mechanisms to drive the steering rod mechanism. For example, the pinion and rack steering gear drives the linear movement of the rack through the rotation of the pinion, thus pushing the steering rod to achieve steering. Different types of steering gear are suitable for different vehicle types and driving needs. For example, circular ball steering gear is widely used in passenger cars and light vehicles because of its simple structure and high transmission efficiency.
The solution to the broken steering gear :
Stay calm and stop safely : In the event of a steering device failure, first of all, stay calm and try to move the vehicle off the road to avoid obstructing traffic. Make sure the vehicle is parked in a safe place and turn on the double-flashing warning lights
Check the steering system : after the vehicle stops, check the steering system for obvious damage, such as whether the steering column is damaged, whether the steering oil pipe is broken, etc. If oil leaks are found, the seals may be aging and need to be replaced with new seals or damaged parts are repaired
Use of backup mechanical steering : Some models are equipped with backup mechanical steering, which can be used in the event of electronic steering failure. It is usually necessary to open the engine bay, find a lever or lever on the steering machine, and switch it to standby mode Check and tighten the connections : Check the connections between the steering gear and the wheels for wear or loose, and tighten them if necessary. At the same time, check whether the battery voltage is normal, and whether the motor is working properly
Check the seals and oil : Check the internal seals of the steering gear for damage and replace the damaged seals if necessary. Check the steering fluid level, if the oil is too low or deteriorated, you need to add appropriate steering oil and replace it regularly
Seek professional help : If the above methods cannot solve the problem, you should call the road rescue phone as soon as possible or contact a nearby garage for professional inspection and repair
Preventive measures :
Regular inspection : In order to avoid the failure of the steering system, it is recommended to carry out regular vehicle maintenance, check all parts of the steering system, and replace them in time if there is wear or damage
Lubrication and maintenance : Ensure that the steering shaft cavity is fully lubricated, and check and replace thrust bearings regularly. Keep the hydraulic system clean and lubricated to avoid failure due to lack of oil or oil line blockage .
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