夾軌器同步移動時,導輪在夾軌器的重量壓力下可沿蛇形軌道滾動,並經引導輪支架、daoqianzhoudaidongjiaguiqizhengtizaigudingzhouyanguidaomianfudong。zidongjiaguiqikezidongjiangmenshiqizhongjisuodingzaiguidaoshang,yifangzhishouyiwaituilishierhuadong。jiaguiqizaidachexingzouzhuangtaizidongkaiqi,qitazhuangtaizidongjiajin。kongzhixitongcaiyongximenziPLC控製。在不改變原機操作動作的前提下,通過PLC係統將起重機行走機構的行走與停止、製動器的開啟與製動、夾軌器的開啟與夾緊等動作實行自動控製,提高了整機穩定性及安全性。
防fang止zhi室shi外wai起qi重zhong機ji在zai強qiang風feng作zuo用yong下xia沿yan軌gui道dao滑hua行xing的de起qi重zhong機ji安an全quan裝zhuang置zhi。通tong常chang采cai用yong與yu起qi重zhong機ji底di部bu結jie構gou連lian接jie在zai一yi起qi的de夾jia鉗qian,夾jia住zhu軌gui道dao頭tou部bu的de兩liang個ge側ce麵mian來lai防fang止zhi滑hua行xing。夾jia軌gui器qi分fen手shou動dong式shi和he電dian動dong式shi兩liang種zhong(見圖)。手動夾軌器一般為螺杆式,結構簡單,但夾緊力小、動dong作zuo慢man,主zhu要yao用yong於yu在zai擋dang風feng麵mian積ji不bu大da的de中zhong小xiao型xing或huo臨lin時shi性xing用yong途tu的de起qi重zhong機ji上shang。大da型xing起qi重zhong機ji或huo港gang口kou用yong起qi重zhong機ji主zhu要yao采cai用yong電dian動dong夾jia軌gui器qi。它ta是shi由you重zhong錘chui通tong過guo杠gang杆gan或huo由you彈dan簧huang力li使shi夾jia鉗qian夾jia緊jin軌gui道dao,靠kao液ye壓ya係xi統tong中zhong的de油you缸gang力li鬆song開kai夾jia鉗qian。重zhong錘chui式shi較jiao笨ben重zhong,外wai形xing尺chi寸cun大da,夾jia緊jin力li比bi彈dan簧huang式shi的de小xiao,工gong作zuo平ping穩wen性xing也ye不bu如ru彈dan簧huang式shi的de。電dian動dong彈dan簧huang式shi夾jia軌gui器qi通tong過guo風feng速su儀yi與yu起qi重zhong機ji實shi現xian電dian氣qi聯lian鎖suo,當dang風feng速su儀yi檢jian測ce的de風feng力li達da到dao不bu能neng保bao證zheng起qi重zhong機ji正zheng常chang作zuo業ye的de風feng級ji(通常相應於6~7級)時,起重機斷電,夾鉗夾住軌道。這種夾軌器的工作可靠性較高。
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