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DLZ疊(die)(die)梁(liang)(liang)(liang)閘(zha)門(men)(men)帶預緊裝(zhuang)(zhuang)置的疊(die)(die)梁(liang)(liang)(liang)閘(zha)門(men)(men),在門(men)(men)槽上(shang)設一滑道,單塊閘(zha)板均順滑道下放(fang),從而防止單根疊(die)(die)梁(liang)(liang)(liang)間的前后左右的錯位。又在疊(die)(die)梁(liang)(liang)(liang)閘(zha)門(men)(men)上(shang)游兩側,各設一套使疊(die)(die)梁(liang)(liang)(liang)與門(men)(men)槽互相密(mi)貼(tie)的預緊裝(zhuang)(zhuang)置,提(ti)高封水(shui)(shui)效果,實踐證明帶預緊裝(zhuang)(zhuang)置的疊(die)(die)梁(liang)(liang)(liang)閘(zha)門(men)(men)比普通型疊(die)(die)梁(liang)(liang)(liang)閘(zha)門(men)(men)漏水(shui)(shui)量(liang)顯著減少。
不銹鋼疊梁閘(zha)門(men)(men)(men)DLZ疊梁閘(zha)門(men)(men)(men)疊梁閘(zha)結(jie)構(gou)簡單,自重輕、起吊力小,搬(ban)運方便,但由于(yu)閘(zha)板與閘(zha)板之(zhi)間止水靠自重而達到密(mi)封的作(zuo)用,擋(dang)水結(jie)構(gou)的整體性差,靠水位密(mi)封差,滲漏量略(lve)大(da)于(yu)鋼制閘(zha)門(men)(men)(men),故疊梁閘(zha)門(men)(men)(men)適用于(yu)作(zuo)臨(lin)時擋(dang)水或檢修閘(zha)門(men)(men)(men)之(zhi)用。