【摘要】：針對國內(nèi)現(xiàn)有的膨脹節(jié)疲勞性能試驗設(shè)備普遍存在適用范圍窄(僅適用于一種規(guī)格的單個試件)、試驗設(shè)備笨重且大多靠人工操作、勞動強(qiáng)度大、自動化程度低的特點,給出一種可實現(xiàn)不同規(guī)格、兩個膨脹節(jié)同時測試的新型膨脹節(jié)疲勞性能試驗裝置的設(shè)計方案和工作原理。該裝置主要由試件、上下滑塊、上下旋轉(zhuǎn)臺、驅(qū)動連接板、試驗加載與驅(qū)動機(jī)構(gòu)5個部分組成;四周均勻設(shè)置了4根導(dǎo)向柱及限位裝置,用于試驗前上下滑塊、上下旋轉(zhuǎn)臺和驅(qū)動連接板的定位;4個加載機(jī)構(gòu)均勻分布于設(shè)備四周,使試件受載均勻。該裝置符合國家有關(guān)法規(guī)標(biāo)準(zhǔn)的要求,采用自動化的控制系統(tǒng),高效、智能、安全。
[Abstract]:The existing domestic testing equipment for fatigue performance of expansion joints generally has the characteristics of narrow applicable range (only suitable for a single specimen of one specification), heavy and mostly manual operation of test equipment, high labor intensity and low degree of automation. The design scheme and working principle of a new type of expansion joint fatigue test device which can be tested simultaneously with two expansion joints with different specifications are presented. The device is mainly composed of five parts: the specimen, the upper and lower slider, the upper and lower rotating table, the driving connecting plate, the test loading and the driving mechanism, and the four guiding columns and the limiting device are uniformly arranged around the four parts, which are used for the upper and lower sliding blocks before the test. The four loading mechanisms are evenly distributed around the equipment, so that the specimen is uniformly loaded. The device meets the requirements of relevant national laws and regulations, and adopts automatic control system, which is efficient, intelligent and safe.
【作者單位】： 南京林業(yè)大學(xué)機(jī)械電子工程學(xué)院;航天晨光股份有限公司;
【基金】：國家質(zhì)量監(jiān)督檢驗檢疫總局技改項目(2014JIANGS09) 江蘇省特種設(shè)備安全監(jiān)督檢驗研究院項目(KJ(Y)2014013)
【分類號】：TH136

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