Abstract
In view of the low stability of the carbon-free trolley based on the spatial RSSR mechanism, the equivalent plane mechanism method is used to analyze the spatial RSSR mechanism and the motion analysis of its driving mechanism is carried out. A fully parameterized system model is established by using the differential method to calculate the running equation of the wheel. The whole optimization method is obtained by using the calculation function of MATLAB to simulate the motion of the system, and the trajectory of the car is optimized.
Highlights
"8" zigzag track carbon-free car is the item of the national college students' comprehensive ability competition for engineering training
The steering mechanism of "8" zigzag track carbon-free trolley is designed based on the spatial RSSR mechanism
The torque of the drive wheel 1 is transmitted to the rear wheel through the primary gear drive, consisting of a fixed axis gear train 1-2-3- The crank of the spatial RSSR mechanism and the active wheel at the same time Connecting, crank Connecting rod And rocker rod A spatial crank rocker mechanism connected by two ball hinges Spatial RSSR mechanism It was through this mechanism that the car controlled the steering of the front wheel
Summary
"8" zigzag track carbon-free car is the item of the national college students' comprehensive ability competition for engineering training. Most of the steering mechanisms designed by the "8" type teams are intermittent. Such as incomplete gears, grooves, etc., such as the structure of the car in operation is not high stability. Grooves, etc., such as the structure of the car in operation is not high stability To solve this problem, continuous mechanism (such as connecting rod mechanism) should be used as steering mechanism. Spatial four-bar mechanism is tightly structured It is flexible and reliable, so the space four-bar mechanism will be more adjustable in the non-carbon car steering design. The steering mechanism of "8" zigzag track carbon-free trolley is designed based on the spatial RSSR mechanism. The kinematics analysis of each mechanism of the carbon-free vehicle is carried out, and a fully parameterized system model is created and optimized to obtain the ideal running track
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