Vehicle steering system and vehicle
A steering system and vehicle technology, applied to steering mechanisms, vehicle components, fluid steering mechanisms, etc., can solve problems such as complex safety risks in vehicle steering
Inactive Publication Date: 2021-09-14
BAIC GRP ORV CO LTD
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Problems solved by technology
[0004] This application provides a vehicle steering system and a vehicle, aiming to solve the problems of complex steering and safety risks of existing vehicles
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[0024] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.
[0025] The present application provides a vehicle steering system and a vehicle, aiming to solve the problems of complex steering and safety risks of existing vehicles.
[0026] This application is applicable to the technical field of vehicle control, and provides a vehicle steering system and a vehicle, including a hydraulic source working system, a centering circuit, a front wheel steering system and a rear wheel steering hydraulic system, and the hydraulic source working system is connected to the centering circuit, The front wheel steering system and the rear wheel ste...
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The invention is suitable for the technical field of vehicle control, and provides a vehicle steering system and a vehicle. The vehicle steering system comprises a hydraulic source working system, a centering loop, a front wheel steering system and a rear wheel steering hydraulic system, and the hydraulic source working system is connected with the centering loop, the front wheel steering system and the rear wheel steering hydraulic system; when the vehicle is in a straight running state, the hydraulic source working system is in a straight running working mode and provides working power for the centering loop, and the vehicle is kept in a straight running state; and when the vehicle needs to turn, the front wheel steering system triggers steering work and triggers the hydraulic source working system to be switched to enter a steering working mode, working power is provided for the rear wheel steering hydraulic system, and the flowing direction of high-pressure oil is controlled to be the steering direction corresponding to the steering working mode of the rear wheel steering hydraulic system. A plurality of angle sensors are reduced, complex logic programs do not need to be compiled, unknown risks caused by imperfect control strategies are reduced, and the driving safety performance is improved.
Description
technical field [0001] The present application relates to the field of vehicle control, in particular to a vehicle steering system and a vehicle. Background technique [0002] In the vehicle steering system and vehicles, due to the long wheelbase of large vehicles, the turning diameter is large during the turning process, which affects the maneuverability of the vehicle, and the steering efficiency is low, and even cannot be turned to pass in a small space. Therefore, allowing the rear wheels to participate in the steering can greatly reduce the turning diameter of the vehicle and improve the maneuverability of the vehicle. [0003] At present, domestic heavy-duty vehicles adopt electronically controlled all-wheel steering technology, which controls the steering angle of the rear wheels according to the steering angle of the front wheels. Although the automatic control can achieve the constant correspondence between the rear wheel and the front wheel steering angle, the con...
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IPC IPC(8): B62D5/06
CPCB62D5/062
Inventor 席玉岭江军肖宏
Owner BAIC GRP ORV CO LTD