折疊(die)梯(ti),是土木工(gong)(gong)(gong)程(cheng)用品,協助工(gong)(gong)(gong)作人(ren)員(yuan)在工(gong)(gong)(gong)地上(shang)高落(luo)低,有如(ru)活動樓梯(ti)。折梯(ti)用時打開(kai),用完折合起(qi)來,方便轉(zhuan)移。折疊(die)梯(ti)子要求做工(gong)(gong)(gong)必須堅實牢固,河(he)南大海實業生產(chan)的折疊(die)梯(ti)子被廣泛用于各種(zhong)土建工(gong)(gong)(gong)程(cheng),裝修(xiu)工(gong)(gong)(gong)程(cheng),折疊(die)梯(ti)子的方便兩(liang)用性被越(yue)(yue)來越(yue)(yue)多的人(ren)喜(xi)歡。
在從前,戰爭時代的攻城防守戰,折梯也大派用場,夸越敵方的城墻。 而守護的一方,必須盡快把靠近的折梯推倒,免得對方沿梯爬上來。現在,折梯在建筑工程用品商(shang)店有售,分(fen)為(wei)(wei)大、中、細(xi)碼標準尺寸。 不過,為(wei)(wei)要求,用家(jia)有特別(bie)度(du)身訂造“超(chao)長版”,或(huo)者自制木折梯。折梯(ti)的(de)代用品(pin)是清潔(jie)工(gong)(gong)司常用的(de)組件式折合(he)架,甚至是長臂(bei)猿式工(gong)(gong)程車(che),它們都(dou)比較折梯(ti)安全,不容易翻倒引(yin)發工(gong)(gong)傷或死(si)亡風險。為(wei)工(gong)(gong)業安全,用折梯高空工(gong)(gong)作(zuo)(zuo),當局有操作(zuo)(zuo)指(zhi)引,要求工(gong)(gong)人(ren)配帶(dai)安全帶(dai),并(bing)且必須(xu)有助(zhu)手(shou)在(zai)折梯下接應,防(fang)止(zhi)折梯重心(xin)不平衡(heng)。