Software Design Of Large Scale Crawler Crane Overall Design System

Overall design is important for crawler crane design, including selection of schemes and technology parameters, overall arrangement, large structural strength, integral stability, analysis of structures .By using MFC which is the member of VC++ , the software is built from its object based on object-oriented principle, which includes its attributes and a series of processing functions to analyze its performances. The software system is making full use of the benefits of object-oriented programming, such as reusability, easy reconstruction and maintenance to make the software design easy, and the using of the software stability.The software system uses the MFC's excellent visual capability write man-machine conversation interface, the designer can intuitionistic understand the shape and overall arrangement of the crawler crane. The software have accessorial gloze by graphics or word. The output is according with the designer's request at full steam, so that the designer can understand the crawler crane's capability. The output also can be saved as revisable file so that the designer can do the proceeding work. The parameter can be saved, and can be imported to the software next time, this all make the data is easily been amended and referred.In a word, the writer wishes that the software system can reduce designer's time and intensity, and can increase design efficiency by using object-oriented principle to foundation the crawler crane, using MFC's excellent visual capability to write great man-machine conversation interface.The software system is already applied in a lot of engineering subjects. One of them is a subject to calculate the QUY350's load capability lines , load list and the force of structures for FUSHUN EXCAVATOR CORPORATION LTD, another one is to improve on the FWX700HD, whose maximal load is 70 ton. The software system was also used to calculate the load capability lines and load list of the QUY250, the three series of QUY150, QUY120, QUY100, QUY80, QUY65, and the four series of QUY50, the use of this software is very well. Using this software system, the calculational quantity which may need fifteen days is reduce to one day. The change of data in the software is easy and can calculate the load capability quickly. By this way the designer can get every parameter's effect on the capability, then can improve on the design purposefully.