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Status of the development of solid garage Stereo garage is the storage which is used for automatic parking and scientific storage of kinds of automobile. As the quantity of urban automobile has increased continuously in nowadays ,the hard-to-park problem has become a common phenomenon. Mechanical stereo garage can use land resource sufficiently and bring space advantage into play,and maximize the number of parking cars. It has become an important way for static traffic problem of cities. The issue studies the type mechanical parking system which named up-down and translation stereo garage, and regards of the two factors of manufacture and operational efficiency synthetically. On the basis of investigation on current situation and developing trend of garage in domestic and abroad, we choose three-layer and three-formulistic garage structure as the research model. According to the form of the dragging-forms of multi player up-down and translation ear-base , it is made of three pares :part of ear-base strucrure part of driving-framework and part of control system. The paper simply introduces main structure and characteristics of garage and also gives a short introduction to its control system. The finite element reliability checking of steel structure of garage is utilized according to the operation principle of up-down and translation stereo garage, the mechanics was used to comprehensively analyze the up-down and translation stereo garage , the mechanics was used to comprehensively analyze the up-down and translation stereo garage. Including intension of the framework structure axes,etc. The paper adopted PLC as stereo garage, PLC control system is control system in designing the up-down and translation software of OMRON company was used to weave the program simple and easy to realize . The characteristic of of control system, through debugging running. The result proved that adopted PLC as stabilization ,credibility , speediness and high capability made the control system very perfection of mechanical parking systems-general safety requirement and the facts of the up-down and translation sterel garage rhe paper introduced some safety technique which was used in the up-down and translation stereo garage. This can ensure absolute safety for car and make the whole stereo garage safety and running smooth . On the base of the project "Optimal design of the mechanisms in the stereoscopic garage"，some mechanisms in the lift park garage has been designed optimally. At the first, we established the running mode and the structure of the mechanisms adapted to the running mode. And then, we chose the immobile comb as the parking space and 1the steel structure framework as support, the optimal design on the two mechanisms was carried through. The optimal design on the immobile comb and the steel structure framework was carried through with augmented multipliers method. At the end, the result of the optimal design is that the immobile comb will be more reasonable and decreased the whole weight of the garage and the load of the steel structure framework, and the weight of the steel structure framework become more light. With the rapid development of shanghai,the settlement of the difficult of parking of shanghai has already reached the very urgent stage. In the city center where every inch of land is precious ,especially the area which such vehicles as the hotel ,market ,shopping center location,etc. Dr.eye:concentrate,can only develop to the sky,to underground,so has built and already to a great deal of three-dimensional garage parkings reached the essential stage,at the same time there are many advantages too in the three-dimensional garage parking. First ,economize the space. Generally speaking,its floor space is about 1/2~1/25 of the level parking area,machinery type "three-dimensional" . The garage can both be installed with ground underground,the greatest advantage can fully utilize the small area to develop to the high altitude, try one's best to store more vehicles,the place that the land resource in short supply,the vehicle is big in capacity to park in the way best. For example,are most suitable for using "vertical circulation" on the limited residential quarter ground on the space three-dimensional garage of the type. 8 storeys of every groups of this kind of garage,that is to say,only parked the three-dimensional garage built up on the area of a car and park 8 cars originally. Second,automation is controlled,easy to use. The three-dimensional automatic degree of garage parking is very high,can hoist or lower the rotatory type,for example,district residents come off duty and park,so long as according to the number that the brass-wind instrument is corresponding with the parking stall,this parking stall will be rotated and landed to the ground,after the car owner parks the good vehicle,and then according to the number ,the parking stall circles round and rises,restored to the throne again. From a complete set and install the intellectual administrative system of the parking area after installing the large-scale underground parking of the three-dimensional garage,go on one on duty to manage hour through professional staff member of technical training. 2Third ,three-dimensional garage build cost lower than the traditional parking area greatly. It is reported, the occupation of land and building cost in the traditional parking area is quite high. Do not generally get on very well,ordinary each occupation of land in the parking stall,about 15 square meters,the floors,the floor space of each parking stall of underground parking is above 25 square meters at least on the ground. If use the three-dimensional garage parking, can park one group and 8 parking stalls of three-dimensional garage parking on the vacant lot of 30 square meters,the average floor space of each parking stall is less than 4 square meters. In respect to building cost,the house property developer of the district builds an underground parking stall to need to invest 60,000-80,000 yuan at present,the construction cost of some top-grade underground parking stalls of office building is up to more than ten ten thousand yuan especially. If install the three-dimensional garage,is it increase parking stall is can cost stand thin to reach 50,000-60,000 yuan each construction of parking stall to try one's best in a situation that the area of space does not change. Fourth ,it is safe and reliable and beautifying the environment. Allocate the automatic detection system,various kings of sage organizations, autoalarm ,fire-fighting system and other stick precautions facility. The automobile will not damage,loses. Suit measures to local conditions, utilize fragmentary vacant lot,shape beautiful garage beyond mix,beautify the urban environment. 3立体车库发展的现状立体车库是专门实现各种车辆的自动停放及科学寄存的仓储设施。