【摘要】：本文論述了橋式起重機(jī)的發(fā)展現(xiàn)狀和設(shè)計方法，尤其是動態(tài)仿真技術(shù)的發(fā)展為產(chǎn)品的設(shè)計帶來新的變化。產(chǎn)品的設(shè)計不但要注重產(chǎn)品的外觀和性能，還要縮短產(chǎn)品的設(shè)計周期。因此如何提高產(chǎn)品的設(shè)計速度和質(zhì)量尤為重要，同時產(chǎn)品具有經(jīng)濟(jì)性、可靠性、舒適性以及安全性。橋式起重機(jī)的傳統(tǒng)設(shè)計主要以靜態(tài)設(shè)計為主，通過計算截面的最大危險應(yīng)力點驗證設(shè)計的合理性。傳統(tǒng)設(shè)計方法設(shè)計的產(chǎn)品安全系數(shù)過高，既浪費材料又增加了成本。 因此新的設(shè)計方法虛擬樣機(jī)技術(shù)開始應(yīng)用在機(jī)械產(chǎn)品設(shè)計中，通過靜態(tài)分析及動態(tài)仿真來判斷設(shè)計的合理與否，對縮短研發(fā)周期、降低成本有顯著效果。以Pro/E軟件、動態(tài)仿真ADAMS軟件和有限元ANSYS等軟件為平臺，建立虛擬樣機(jī)模型進(jìn)行動力學(xué)仿真。 以箱形雙梁橋式起重機(jī)為研究對象，由動力學(xué)理論確定小車運行機(jī)構(gòu)、起升機(jī)構(gòu)和大車運行機(jī)構(gòu)的動力學(xué)模型，對不同工況下的起重機(jī)進(jìn)行仿真。由Pro/E建立橋機(jī)模型，通過Pro/E和ANSYS軟件的接口將模型傳入ANSYS中，對主梁進(jìn)行靜力和模態(tài)分析，并通過Pro/E和ADAMS的接口將已經(jīng)添加約束的模型導(dǎo)入ADAMS進(jìn)行仿真。 對橋式起重機(jī)進(jìn)行虛擬樣機(jī)研究，是集設(shè)計、分析和仿真應(yīng)用于橋式起重機(jī)的全新方法，為橋式起重機(jī)的設(shè)計提供可靠性的支持。
[Abstract]:This paper discusses the development status and design method of bridge crane, especially the development of dynamic simulation technology brings new changes to the product design. Product design should not only focus on product appearance and performance, but also shorten the product design cycle. Therefore, how to improve the design speed and quality of the product is particularly important, and the product has economy, reliability, comfort and safety. The traditional design of bridge crane is mainly static design. The rationality of the design is verified by calculating the maximum dangerous stress point of cross section. The safety factor of the traditional design method is too high, which not only wastes material but also increases the cost. Therefore, the new design method virtual prototyping technology has been applied in mechanical product design. Static analysis and dynamic simulation are used to judge whether the design is reasonable or not, which can shorten the R & D cycle and reduce the cost. On the platform of Pro/E software, dynamic simulation ADAMS software and finite element ANSYS software, a virtual prototype model is established for dynamic simulation. Taking the box-shaped double-beam bridge crane as the research object, the dynamic models of the trolley running mechanism, the lifting mechanism and the large truck operating mechanism are determined by the dynamic theory, and the cranes under different working conditions are simulated. The bridge machine model is established by Pro/E, and the model is put into ANSYS through the interface of Pro/E and ANSYS software. The static and modal analysis of the main beam is carried out, and the model with added constraints is imported into ADAMS through the interface between Pro/E and ADAMS for simulation. The research on virtual prototype of bridge crane is a new method for design, analysis and simulation of bridge crane, which provides reliability support for the design of bridge crane.
【學(xué)位授予單位】：太原科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2012
【分類號】：TH215

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