發(fā)布時(shí)間：2019-01-17 18:36

【摘要】：隨著社會(huì)經(jīng)濟(jì)的不斷發(fā)展,人們?cè)谧非笪镔|(zhì)生活水平提高的同時(shí),也在不斷追求精神生活水平,這促使了游樂(lè)設(shè)施行業(yè)的蓬勃發(fā)展。目前國(guó)內(nèi)游樂(lè)主題公園眾多,其中游樂(lè)飛碟是最聚人氣的娛樂(lè)項(xiàng)目之一。驅(qū)動(dòng)軸是游樂(lè)飛碟運(yùn)行中傳遞扭矩的重要零部件,由于游樂(lè)飛碟運(yùn)行狀況比較復(fù)雜,有時(shí)處于滿載,有時(shí)處于偏載,并且從最高點(diǎn)俯沖至軌道最低點(diǎn)的速度常超過(guò)30km/h,驅(qū)動(dòng)軸不僅承受飛碟自身重量,在運(yùn)行中還要承受龐大離心力。如果在運(yùn)行中斷裂,后果將不堪設(shè)想。因此對(duì)游樂(lè)飛碟驅(qū)動(dòng)軸的疲勞壽命分析是現(xiàn)代游樂(lè)設(shè)備設(shè)計(jì)制造的必要環(huán)節(jié)之一。為提高整體結(jié)構(gòu)的安全性及驅(qū)動(dòng)軸運(yùn)行時(shí)的可靠性,提出并設(shè)計(jì)了一種具有驅(qū)動(dòng)減振功能的游樂(lè)飛碟結(jié)構(gòu)。其中包含車體框架、電機(jī)減振架、旋體架、導(dǎo)向結(jié)構(gòu)和運(yùn)行軌道。優(yōu)化后的結(jié)構(gòu)不僅可以滿足防脫軌、防傾覆、限位等安全要求,而且在緩沖結(jié)構(gòu)作用下可減小對(duì)主受力構(gòu)件的沖擊。并依據(jù)GB8408-2008對(duì)設(shè)計(jì)結(jié)構(gòu)進(jìn)行了運(yùn)動(dòng)學(xué)理論分析、啟動(dòng)力矩理論分析及驅(qū)動(dòng)軸工況分析。針對(duì)運(yùn)行過(guò)程中,存在由于驅(qū)動(dòng)軸疲勞失效而造成設(shè)備事故的安全隱患,采用有限元理論并結(jié)合NCODE疲勞分析軟件,對(duì)飛碟游樂(lè)設(shè)備驅(qū)動(dòng)軸進(jìn)行了疲勞仿真研究。首先結(jié)合設(shè)備工況對(duì)該游樂(lè)設(shè)備進(jìn)行了簡(jiǎn)化和建模,然后采用ADAMS有限元分析軟件進(jìn)行了動(dòng)力學(xué)分析,提出了其多體系統(tǒng)拓?fù)錁?gòu)型,得到了驅(qū)動(dòng)軸的載荷時(shí)間歷程。利用NCODE疲勞分析軟件對(duì)驅(qū)動(dòng)軸進(jìn)行了疲勞壽命分析,得到了該驅(qū)動(dòng)軸的疲勞結(jié)果云圖和各節(jié)點(diǎn)的疲勞壽命,找到了驅(qū)動(dòng)軸最易破壞的位置和壽命,提出了提高驅(qū)動(dòng)軸使用壽命的方法。
[Abstract]:With the development of social economy, people are pursuing the improvement of material life level and the spiritual life level, which promotes the vigorous development of amusement facilities industry. At present, there are many amusement theme parks in China, among which flying saucer is one of the most popular entertainment projects. The driving shaft is an important component of torque transfer in flying saucer operation. Due to the complexity of flying saucer operation, it is sometimes in full load, sometimes in partial load, and the speed from the highest point to the lowest point of orbit is often more than 30 km / h. The drive shaft not only bears the weight of the flying saucer itself, but also bears a huge centrifugal force in operation. If it breaks in operation, the consequences will be unthinkable. Therefore, the fatigue life analysis of flying saucer driving shaft is one of the necessary links in the design and manufacture of modern amusement equipment. In order to improve the safety of the whole structure and the reliability of the driving shaft, a flying saucer structure with the function of driving and reducing vibration is proposed and designed. It includes body frame, motor damping frame, rotary frame, guide structure and running track. The optimized structure can not only meet the safety requirements such as anti-derailment, anti-overturning, and location-limiting, but also reduce the impact on the main load-bearing members under the action of the buffer structure. According to GB8408-2008, the kinematics theory, starting moment theory and driving shaft working condition of the design structure are analyzed. In view of the hidden trouble of equipment accident caused by the fatigue failure of driving shaft during operation, the fatigue simulation of driving shaft of flying saucer amusement equipment was carried out by using finite element theory and NCODE software. Firstly, the amusement equipment is simplified and modeled according to the working conditions of the equipment, then the dynamics analysis is carried out by using ADAMS finite element analysis software, and the topological configuration of the multi-body system is proposed, and the load time history of the drive shaft is obtained. The fatigue life of the drive shaft is analyzed by using NCODE software. The fatigue result cloud diagram and fatigue life of each node are obtained, and the position and life of the drive shaft are found. The method of increasing the service life of drive shaft is put forward.
【學(xué)位授予單位】：鄭州大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TS952.81

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