重(zhong)(zhong)(zhong)(zhong)安(an)江(jiang)水(shui)碾群位于(yu)黃平(ping)縣重(zhong)(zhong)(zhong)(zhong)安(an)鎮東南400米處的(de)重(zhong)(zhong)(zhong)(zhong)安(an)江(jiang)江(jiang)心沙洲上。水(shui)碾群始(shi)(shi)建于(yu)明(ming)代,據《明(ming)史·卷(juan)三百一十二·四川(chuan)土(tu)司二》記載:“洪武四年平(ping)蜀,遣使諭(yu)之。五(wu)年,領安(an)撫司二,曰(yue)(yue)草塘,曰(yue)(yue)黃平(ping);長官(guan)司六,曰(yue)(yue)真州(zhou),曰(yue)(yue)播州(zhou),曰(yue)(yue)余慶,曰(yue)(yue)白泥,曰(yue)(yue)容山,曰(yue)(yue)重(zhong)(zhong)(zhong)(zhong)安(an)”。永(yong)樂四年(1406)設(she)重(zhong)(zhong)(zhong)(zhong)安(an)長官(guan)司,弘治元(yuan)年(1488)設(she)重(zhong)(zhong)(zhong)(zhong)安(an)守(shou)御千(qian)戶所,并屯(tun)(tun)兵于(yu)重(zhong)(zhong)(zhong)(zhong)安(an)江(jiang)堡(bao)上。大量(liang)屯(tun)(tun)軍(jun)的(de)涌(yong)入,帶(dai)來中(zhong)原(yuan)(yuan)各地先進的(de)文化和生產方(fang)式,他(ta)們利用重(zhong)(zhong)(zhong)(zhong)安(an)江(jiang)上隆(long)起的(de)沙洲大規模建造水(shui)碾,取替土(tu)著居民仍(reng)用石碓舂米的(de)原(yuan)(yuan)始(shi)(shi)勞作。
建造重(zhong)安江水(shui)(shui)(shui)(shui)碾群(qun)選址考究。此段江水(shui)(shui)(shui)(shui)被沙(sha)洲(zhou)從(cong)中剖(pou)開(kai),形成南(nan)高(gao)(gao)北低兩(liang)支河道(dao),高(gao)(gao)差為1.12米。水(shui)(shui)(shui)(shui)碾水(shui)(shui)(shui)(shui)輪深藏沙(sha)洲(zhou)腹部,每個碾房從(cong)開(kai)入(ru)水(shui)(shui)(shui)(shui)孔兩(liang)眼(yan)引江水(shui)(shui)(shui)(shui)沖擊水(shui)(shui)(shui)(shui)輪,南(nan)北江面高(gao)(gao)差產生的水(shui)(shui)(shui)(shui)力足以(yi)使水(shui)(shui)(shui)(shui)輪旋(xuan)轉并帶動滾輪工作。余水(shui)(shui)(shui)(shui)匯入(ru)北支河道(dao)。
重安江(jiang)水碾群規(gui)模宏大,明末為其鼎盛時期(qi),共有40余座(zuo)。水碾群現存碾房19座(zuo),沿沙洲“一”字順江(jiang)排(pai)列。雨季,碾房草(cao)棚常被洪峰卷走,但沉重的(de)(de)石(shi)滾輪和藏于沙洲腹部的(de)(de)水輪卻安然無恙。
水碾(nian)(nian)(nian)的原始功(gong)能是用于(yu)谷物脫殼(ke)去麩,隨著打米機普及(ji),重安(an)江水碾(nian)(nian)(nian)群的原始功(gong)能逐漸減弱。土改時水碾(nian)(nian)(nian)劃歸(gui)集體,上(shang)世(shi)紀80年代后由(you)生產隊(dui)陸續賣給周、潘、楊、沈等(deng)姓農民,目前(qian)仍有(you)13座正常使用,主要用于(yu)碾(nian)(nian)(nian)桐(tong)籽榨油、碾(nian)(nian)(nian)竹材造紙、碾(nian)(nian)(nian)做香的原料粉末等(deng)。
重安江(jiang)水碾保留了古(gu)老的歷史信息,是重安江(jiang)上一道亮麗的文(wen)化景(jing)觀。