| In China, the lower limbs of people with disabilities and elderly persons and lower limbdisabilities as an important part of the vulnerable groups in China, a great obstacle is the abilityto travel outdoors weakened Worse still may not be able to walk. With the deepening of thereform, the growing popularity of the car as well as the improvement of people’s quality of life,lower extremity disabilities the tools to go out have higher requirements, no longer limited tojust ride in the vehicle, but has a driving car. How the current traffic conditions to create theconditions for the lower limb disabilities, to achieve ordinary people independent driving a caroutdoor travel long distances, this subject has been of great concern for our country and theworld.The papers by a large number of domestic and international accessibility chair lift ladderdevice, the ramp-wheelchair hand onto get off device, the accessibility stepped on and off thedevice on and off the mechanical drive device, the disabled car modified structure as well asdisability special vehicle development requirements, design a convenient lower limb disorderswho get off on the "lower limb disabilities special vehicle wheelchair automatic on and off thedevice (hereinafter referred to as" the wheelchair on and off device "). This device with anelectric wheelchair, wheelchair alone traveling on the road, gets off device safely moved to aprivate car by wheelchair. The device is based on the Great Wall Hover H6chassis design, thesize of each component is determined according to the size of the body chassis width andauxiliary equipment electric wheelchairs, wheelchair on and off the device including wheelchairup and down movement of bodies, wheelchair lateral movement institutions, wheelchairvertical adjustment institutions, as well as wheelchair positioning of the four parts of thefastening mechanism, they were on and off the electric wheelchair, electric wheelchairs and outof cars, positioned between the position adjustment before and after the electric wheelchair andelectric wheelchairs and moving platform fastening.In the structural design, the subject of Pro/E design software to create three-dimensional solid model of a wheelchair to get off the installation of various parts and assembly model. Thethe interface imported into a dynamic simulation software ADAMS, the dynamic simulationanalysis of the working process of the device, the force of the hinge point and other sports viceparametric curve data, and above parameter curve data analysis, verify the rationality of thestructural design.The main findings of the paper is to get off on the electric wheelchair, electric wheelchairscompartment, positioning fastening between the position before and after adjustment of electricwheelchairs and electric wheelchairs and moving platform, to achieve the purpose of theSpecial Purpose Vehicle electric wheelchair up or down automatically, which furtherapplication of the device to provide a useful reference. |