678 臥式鋼筋切斷機的設計

678 臥式鋼筋切斷機的設計,臥式,鋼筋,切斷,割斷,設計 河 北 科 技 大 學畢 業(yè) 設 計 說 明 書 (論 文 )學生姓名： 閆立業(yè) 學 號： 020501120 學 院： 機械電子工程學院 專 業(yè)： 機械設計制造及其自動化 題 目： 臥式鋼筋切斷機的設計 指導教師： 雒運強（副教授） 評閱教師： 付其鳳（副教授） 2006年 6月 畢 業(yè) 設 計 說 明 書 （ 論 文 ） 中 文 摘 要本課題設計建筑上的臥式鋼筋切斷機的工作原理是：采用電動機經(jīng)一級三角帶傳動和二級齒輪傳動減速后,帶動曲軸旋轉(zhuǎn),曲軸推動連桿使滑塊和動刀片在機座的滑道中作往復直線運動,使活動刀片和固定刀片相錯而切斷鋼筋。根據(jù)電機的工作環(huán)境選擇電動機類型，采用臥式安裝，防護式電機，鼠籠式三相異步電動機。選擇三級減速，先是一級帶減速，再兩級齒輪減速。一級帶傳動，它具有緩沖、吸振、運行平穩(wěn)、噪聲小、合過載保護等優(yōu)點，并安裝張緊輪。兩級齒輪減速，齒輪傳動可用來傳遞空間任意兩軸間的運動和動力，并具有功率范圍大，傳動效率高，傳動比準確，使用壽命長，工作安全可靠等特點。動力由電動機輸出,通過減速系統(tǒng)傳動,把動力輸入到執(zhí)行機構。由于傳動系統(tǒng)作 的是回轉(zhuǎn)運動,而鋼筋切斷機的執(zhí)行機構需要的直線往復運動,為了實現(xiàn)這種轉(zhuǎn)換,可以采用曲柄滑塊機構,盤行凸輪移動滾子從動件機構,齒輪齒條機構。本課題采用曲柄滑塊機構作為本機械的執(zhí)行機構 。關鍵詞 切斷 建筑 鋼筋 齒輪 曲柄滑塊畢 業(yè) 設 計 說 明 書 （ 論 文 ） 外 文 摘 要Title lie type steel cutting machinesdesigning AbstractThis article introduces a kind of architectural lie type steel cutting machines. Its operating principles are: It use electric motors level triangle belt transmission and secondary gear transmission to slowdown. Then, it drives the crank rotate, The crank connected to slide block and moving blades in the slippery way make the back and forth straight line sport, makes the moving blades and the fixed blade shear and cut steel. According to the working environment choice the type of electric motors, using horizontal installation, protection of the electrical, squirrel-cage three-phase asynchronous motor. Option three slowdown,first level belt slowdown, followed by the secondary gear deceleration. First level with the introduction of automated, because it has a buffer, absorb shock and operate smoothly, small noise, and can protect the over loading. Then introduce a secondary gear deceleration slowdown, because gear transmission can be used to transmit arbitrary space between the two axis movement and momentum, and the scope of power, transmission efficient transmission accurately, long using life, such as safe and reliable character. Power output by electric motors through slow down transmission system to import power to the executive body. As the system make rotation movement, The steel cutting machine needs the back and forth straight line sport ,in order to achieve this transformation, we can use c slider-crank institutions or gear and rack. I decided to consider realistic conditions using slider-crank as the executing machinery.Keywords cutting architectural reinforcing steel dar gear slider-crank