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  本文關(guān)鍵詞：面向多功能護(hù)理床的機構(gòu)設(shè)計與分析　出處：《上海工程技術(shù)大學(xué)》2016年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 多功能護(hù)理床 支背保護(hù)機構(gòu) 翻身機構(gòu) 機構(gòu)綜合 有限元分析

【摘要】：人口老齡化問題已成為關(guān)系到國計民生的大事,落實好老年人的養(yǎng)老問題不僅僅是一項民生工程,也是一項民心工程。國家和政府不斷加強醫(yī)療政策的改革力度,醫(yī)院及養(yǎng)老機構(gòu)大量的護(hù)理床需要改善與升級。本文針對高齡老人和需要臥床的病人研制了一種多功能護(hù)理床,該多功能護(hù)理床具有支背保護(hù)、升降、曲腿、左右翻身、康復(fù)訓(xùn)練等功能。論文的主要研究內(nèi)容包括:1.按中華人民共和國行業(yè)標(biāo)準(zhǔn)YY0003-90以及GB/T10000-1998中國成年人人體尺寸標(biāo)準(zhǔn),結(jié)合多功能護(hù)理床應(yīng)滿足的安全性、功能、人體工程學(xué)等需求,將多功能護(hù)理床床板劃分為對應(yīng)功能的8塊關(guān)聯(lián)組合床板,并確定了多功能護(hù)理床各床板的尺寸參數(shù)。2.從多功能護(hù)理床的支背與支背保護(hù)功能需求出發(fā),提出了實現(xiàn)支背保護(hù)功能的空間輪系連桿串聯(lián)組合新機構(gòu),分析了該機構(gòu)的組成機理。以支背床框作為圓錐直齒行星輪系行星架的傳動方案,僅用一個驅(qū)動同時實現(xiàn)上身側(cè)板與支背床板聯(lián)鎖驅(qū)動,且結(jié)構(gòu)緊湊。通過按兩連架桿所需實現(xiàn)3組位置,對實現(xiàn)保護(hù)功能的四桿機構(gòu)進(jìn)行了機構(gòu)尺度綜合,實現(xiàn)了上身保護(hù)側(cè)板翻轉(zhuǎn)角速度在支背運動前半行程逐漸增加,后半行程逐漸減少的功能。3.提出基于翻身模式的嵌套式組合翻身床框及其新型翻身機構(gòu),采用兩個對稱布置曲柄滑塊和擺桿的串聯(lián)組合機構(gòu)實現(xiàn)左右側(cè)翻功能;通過對翻身機構(gòu)進(jìn)行運動學(xué)分析得出了上身側(cè)板翻轉(zhuǎn)角度與驅(qū)動滑塊位移之間的關(guān)系。4.根據(jù)多功能護(hù)理床需要滿足床身高度、床身前后傾斜角度可調(diào)節(jié)的要求;給出三種機構(gòu)運動方案,提出新型基于兩個雙搖桿機構(gòu)的多功能護(hù)理床升降機構(gòu),該機構(gòu)能以最小的包絡(luò)空間實現(xiàn)多功能護(hù)理床的傾斜角度和高度調(diào)節(jié);該機構(gòu)的機架、搖桿和連桿尺度保證了機構(gòu)具有折疊特性,機構(gòu)高度調(diào)節(jié)范圍大;升降機構(gòu)的提升高度近似為搖桿與連桿延伸段的桿長之和,且多功能護(hù)理床中心點的軌跡近似為一條直線。5.根據(jù)多功能護(hù)理床需實現(xiàn)腿部康復(fù)訓(xùn)練的要求,提出了三種實現(xiàn)曲腿功能的運動方案,對各運動方案進(jìn)行運動學(xué)分析和仿真,實現(xiàn)了方案優(yōu)選,設(shè)計研制了實現(xiàn)曲腿功能的平行四邊形和曲柄滑塊串聯(lián)組合機構(gòu)。6.對多功能護(hù)理床的關(guān)鍵零部件進(jìn)行了有限元仿真分析,利用solidworks simulation對支背機構(gòu)、升降機構(gòu)、曲腿機構(gòu)的關(guān)鍵零部件進(jìn)行了有限元分析,得出關(guān)鍵零部件應(yīng)力與形變分布,得出所設(shè)計零件滿足強度、變形、剛度指標(biāo)的結(jié)論,為多功能護(hù)理床結(jié)構(gòu)產(chǎn)業(yè)化奠定基礎(chǔ)。
[Abstract]:The problem of population aging has become related to the implementation of pension issues beneficial to the people's livelihood event, the elderly is not only a livelihood project, is also a popular project. The state and the government continue to strengthen the reform of health care policy, nursing bed hospital and many pension institutions need to improve and upgrade. This paper aims at the elderly and to bed the patient developed a multifunctional nursing bed, the multifunctional nursing bed has a back protection, lifting, curved legs, turning around, rehabilitation training and other functions. The main research contents of this thesis include: 1. according to People's Republic of China industry standard YY0003-90 and GB/T10000-1998 Chinese adult human body size standard, combined with the safety of multifunctional nursing bed should be to meet the functional, ergonomic requirements, the multifunctional nursing bed board is divided into 8 blocks combination function corresponding to the bed, and the multifunctional nursing The size parameters of.2. bed mattress from multifunctional nursing bed back support and the back support protection function requirement, put forward the train space link implementation supporting back protection function series combination of new institutions, analysis of the mechanism of the device. To support the back bed frame as a straight bevel gear planetary gear planetary gear system with only one driving scheme, while achieving the upper part of the body side plate and the back supporting plate and interlocking drive, compact structure. By pressing the two links needed to achieve 3 position, the four bar mechanism to realize protection function of organization scale integrated, the upper body protection side plate rolling angle speed increased gradually in the first half of the trip the back supporting function of.3. movement, gradually reduce the proposed travel half nested combination mode turn over turn over bed frame and model based on the turnover mechanism, two symmetrical crank and rocker arm series combined mechanism realization of left and right side Double function; based on the kinematics analysis of the turnover mechanism obtained between upper side flip angle and the driving slider displacement relationship of.4. according to the multifunctional nursing bed needs to meet the height of bed, bed and tilt angle can be adjusted as required; three kinds of mechanism motion scheme, proposed a new type of multifunctional nursing bed lifting mechanism two double rocker mechanism based on the mechanism to achieve the smallest envelope space tilt angle of multifunctional nursing bed and height adjustment; the rack mechanism, the rocker and the connecting rod scale guarantee mechanism has characteristics of high degree of folding mechanism, the scope of regulation; lifting mechanism of the lifting height of approximately and the connecting rod of the extension rod and rocker and long, and multifunctional nursing bed is the center point of the track is approximately a straight line.5. according to the multifunctional nursing bed to achieve a rehabilitation training requirements, put forward three kinds of realization of the function of curved legs Movement scheme, kinematics analysis and Simulation of the movement scheme, scheme optimization implementation, designed to achieve the function of curved legs parallelogram and slider crank mechanism in series combination of.6. multifunctional nursing bed key parts of the finite element analysis was made by SolidWorks simulation on the back supporting mechanism, lifting mechanism, key parts leg bending mechanism of finite element analysis, the key components of stress and deformation distribution, the designed parts meet the strength, deformation, stiffness index conclusion, lay the foundation for the multifunctional nursing bed structure industry.

【學(xué)位授予單位】：上海工程技術(shù)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TH789

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