Multipurpose unmanned vehicle chassis modular steering system
A steering system and unmanned vehicle technology, which is applied in the field of multi-purpose unmanned vehicle chassis modular steering system, can solve the difficulty in meeting the requirements of unmanned vehicle steering accuracy and reliability, the steering response is not fast enough, and the unfavorable modular design and other problems, to achieve the effects of simplified development and debugging, good handling stability, and stable front wheel alignment parameters
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Embodiment 1
[0039] This embodiment provides a modular steering system assembly, which is specifically designed according to the technical characteristics of the unmanned vehicle steering system and the modular technical requirements of the steering system. Compared with the steering system of passenger cars, the steering system of unmanned vehicles omits the steering control device, such as steering wheel, steering column tube and other components, and the steering system is directly driven by the motor; the modular design of the steering system requires all the mechanical parts of the steering system Components and electrical circuits are integrated in the front axle module; at the same time, the multi-purpose chassis requires that the components in the front axle module can be easily replaced according to different bodywork.
[0040] Such as figure 2 As shown, the modular steering system assembly includes: steering gear housing 11, dust cover 12, steering tie rod inner ball joint 13, s...
Embodiment 2
[0043] On the basis of the above-mentioned embodiment 1, the wheel assemblies on both sides are added. Such as image 3 Shown is a schematic diagram of the connection between the modular steering system and the wheel assembly. Wherein it comprises: steering knuckle 19, tire 31, wheel hub 32, hub axle 37, wheel hub and hub axle connecting bolt 33, wheel hub and brake assembly connecting bolt 34, wheel hub bearing 36. The tie rod controls the deflection of the steering wheel through the steering knuckle 19 .
[0044]The steering knuckle 19 is an important node part of the front axle, and it is connected with the tie rod inner ball joint 13, the tie rod outer ball joint 14, the brake assembly 35, the wheel assembly 3, and the suspension assembly 2 at the same time. In addition, the knuckle, along with the wheel and suspension components, transfers loads in all directions between the ground and the frame. The steering knuckle needs to be designed according to the form of the su...
Embodiment 3
[0049] Such as Figure 4 As shown, on the basis of Embodiment 1 and Embodiment 2, a sub-frame 4 and a suspension assembly 2 are added to form a modular front axle assembly. The suspension adopts unequal length double wishbone independent suspension. In the suspension assembly, the upper control arm lug 21 provides a hinge point for the upper control arm 22, and is welded or bolted to the two sides of the upper longitudinal beam of the subframe 4; the other end of the upper control arm 22 is also connected to the lug. Hinged, and fixed on the upper end of the steering knuckle 19 by bolts. The lower control arm lug 25 is fixed on the subframe lower longitudinal beam, and the lower control arm 23 connects it with the steering knuckle 19 . In addition, the shock absorber 24 is installed on the lower control arm, and the other end will be hinged on the main frame of the chassis to ease and attenuate the impact and vibration from the road surface. Among them, the upper and lower ...
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