本文選題：風(fēng)電吊裝　切入點(diǎn)：履帶起重機(jī)臂架　出處：《太原科技大學(xué)》2017年碩士論文

【摘要】：隨著我國(guó)經(jīng)濟(jì)轉(zhuǎn)型的需要,對(duì)發(fā)電提出了較嚴(yán)格的環(huán)保要求。我國(guó)大量投資建設(shè)大型的風(fēng)電項(xiàng)目,在平原、山地和淺海都建有大量風(fēng)力發(fā)電場(chǎng)。履帶起重機(jī)具有轉(zhuǎn)彎半徑小、可帶載行駛和爬坡能力強(qiáng)等優(yōu)點(diǎn),為風(fēng)電安裝和維修提供了極大的便利,今后,大型履帶起重機(jī)是風(fēng)電吊裝行業(yè)的重要設(shè)備之一。風(fēng)電設(shè)備吊裝過(guò)程的最大風(fēng)險(xiǎn)是臂架在特殊工況下承力不足和風(fēng)電部件受臂下空間限制發(fā)生干涉碰撞,因此本文以專門吊裝風(fēng)電機(jī)組的履帶起重機(jī)臂架為研究對(duì)象,采用主臂和鵝頭臂組合結(jié)構(gòu)及滿足風(fēng)電吊裝額定起重量的工況,對(duì)臂架系統(tǒng)建模和分析,并在此基礎(chǔ)上實(shí)現(xiàn)臂架拓?fù)鋬?yōu)化設(shè)計(jì),使臂架有起升能力強(qiáng)和重量輕的工程優(yōu)點(diǎn),從而提高風(fēng)電吊裝安全性。本文的主要研究?jī)?nèi)容如下:(1)風(fēng)電吊裝履帶起重機(jī)臂架作業(yè)組合工況多樣,臂架建模和分析的工作量是非常巨大的,因?yàn)槊扛淖円淮纹鹬貦C(jī)的參數(shù),都會(huì)導(dǎo)致大量的重復(fù)工作,因此,采用APDL建模,不僅修改起來(lái)非常方便且節(jié)約時(shí)間,同時(shí)為風(fēng)電吊裝起重機(jī)臂架的拓?fù)鋬?yōu)化提供了便利。(2)本文對(duì)風(fēng)電吊裝履帶起重機(jī)臂架進(jìn)行大變形非線性分析,采用有限元非線性分析設(shè)計(jì)理論和遵循相關(guān)設(shè)計(jì)標(biāo)準(zhǔn),研究不容忽視的臂架系統(tǒng)非線性特征,并對(duì)臂架模態(tài)進(jìn)行計(jì)算,避免該起重機(jī)工作時(shí)與風(fēng)電部件發(fā)生干涉而共振損壞,以增強(qiáng)風(fēng)電部件、吊裝人員和起重機(jī)自身的安全。(3)本文還對(duì)風(fēng)電吊裝起重機(jī)臂架進(jìn)行了拓?fù)鋬?yōu)化,削減風(fēng)電吊裝起重機(jī)臂架中承力桿件的多余體積,主要對(duì)臂架的典型尺寸、型鋼號(hào)和腹桿的數(shù)量進(jìn)行優(yōu)化,其結(jié)果在滿足制造規(guī)律和工程安全性的情況下降低了管材損耗,本研究具有較好的實(shí)用性。(4)本文采用可視化編程語(yǔ)言編寫便于設(shè)計(jì)操作的人機(jī)交互界面的軟件,實(shí)現(xiàn)了風(fēng)電吊裝履帶起重機(jī)臂架快速建模分析和拓?fù)鋬?yōu)化。該軟件可查詢和調(diào)用所需的數(shù)據(jù)庫(kù),并協(xié)助形成臂架分析模型�？焖俳２痪窒抻谝环N工況,能實(shí)現(xiàn)多種工況。編制的程序?qū)崿F(xiàn)了軟件內(nèi)部調(diào)用工程有限元分析軟件,并且將結(jié)果進(jìn)行保存,以便于查看和傳輸結(jié)果文件。
[Abstract]:With the need of economic transformation in China, more stringent environmental protection requirements have been put forward for power generation.A large number of wind power projects have been invested in China, and a large number of wind farms have been built in plains, mountainous areas and shallow seas.Crawler crane has the advantages of small turning radius, strong ability to drive and climb slope, which provides great convenience for wind power installation and maintenance. In the future, large crawler crane is one of the important equipment in wind power hoisting industry.The biggest risk in the lifting process of wind power equipment is that the insufficient bearing capacity of the boom under special working conditions and the interference collision of wind power components limited by the space under the arm, so this paper takes the crawler crane boom of the special hoisting wind turbine unit as the research object.Using the combined structure of the main arm and geese head arm and satisfying the condition of lifting rated lifting weight of wind power, modeling and analyzing the boom system, and realizing the topology optimization design of the boom on this basis, the boom has the engineering advantages of strong lifting ability and light weight.Thus improve the safety of wind power hoisting.The main research contents of this paper are as follows: (1) Wind power hoisting crawler crane jib work combination is diverse, the work of jib modeling and analysis is very huge, because every time the crane parameters are changed, it will lead to a lot of repeated work.Therefore, using APDL modeling is not only very convenient to modify and save time, but also provides convenience for topology optimization of wind power hoisting crane jib.) in this paper, the large deformation nonlinear analysis of wind power hoisting crawler crane boom is carried out.Based on the finite element nonlinear analysis design theory and the related design standards, the nonlinear characteristics of the boom system can not be ignored and the modes of the boom are calculated, so as to avoid the resonance damage caused by interference with the wind power components when the crane works.In order to enhance the safety of wind power components, hoists and cranes themselves, this paper also optimizes the topology of the boom of wind power hoisting cranes, and reduces the excess volume of the bearing members in the boom of wind power hoisting cranes, mainly on the typical size of the boom.The number of section steel and web rod is optimized, and the result is that the loss of pipe is reduced under the condition that the manufacturing law and engineering safety are satisfied.This research has good practicability. (4) in this paper, visual programming language is used to write the man-machine interface software which is convenient to design and operate, and the fast modeling analysis and topology optimization of the boom of wind power hoisting crawler crane are realized.The software can query and call the required database and help to form the armband analysis model.Fast modeling is not limited to one working condition, and can realize many kinds of working conditions.The program realizes the software internal call of engineering finite element analysis software and saves the result so as to view and transmit the result file easily.
【學(xué)位授予單位】：太原科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TH213.7

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