管鉗鐵質(zhi)管(guan)道，管(guan)件(jian)(jian)連接(jie)時，用(yong)來緊(jin)固或(huo)松動的(de)(de)(de)(de)(de)工具．鏈(lian)(lian)條(tiao)(tiao)式(shi)管(guan)鉗(qian)(qian)(qian)(qian)。其包含鉗(qian)(qian)(qian)(qian)柄(bing)和(he)一(yi)端(duan)(duan)與(yu)鉗(qian)(qian)(qian)(qian)柄(bing)鉸(jiao)接(jie)的(de)(de)(de)(de)(de)鏈(lian)(lian)條(tiao)(tiao)，鉗(qian)(qian)(qian)(qian)柄(bing)的(de)(de)(de)(de)(de)前端(duan)(duan)設有與(yu)鏈(lian)(lian)條(tiao)(tiao)嚙合(he)的(de)(de)(de)(de)(de)牙。進一(yi)步(bu)地，鏈(lian)(lian)條(tiao)(tiao)通(tong)過聯(lian)結板與(yu)鉗(qian)(qian)(qian)(qian)柄(bing)鉸(jiao)接(jie)，即鏈(lian)(lian)條(tiao)(tiao)的(de)(de)(de)(de)(de)一(yi)端(duan)(duan)與(yu)聯(lian)結板的(de)(de)(de)(de)(de)一(yi)端(duan)(duan)鉸(jiao)接(jie)，聯(lian)結板的(de)(de)(de)(de)(de)另一(yi)端(duan)(duan)與(yu)鉗(qian)(qian)(qian)(qian)柄(bing)鉸(jiao)接(jie)。鉗(qian)(qian)(qian)(qian)柄(bing)的(de)(de)(de)(de)(de)前端(duan)(duan)的(de)(de)(de)(de)(de)牙呈圓弧分布。該(gai)鏈(lian)(lian)條(tiao)(tiao)式(shi)管(guan)鉗(qian)(qian)(qian)(qian)在(zai)工作時，鏈(lian)(lian)條(tiao)(tiao)的(de)(de)(de)(de)(de)非鉸(jiao)接(jie)端(duan)(duan)是自由的(de)(de)(de)(de)(de)、不(bu)(bu)(bu)與(yu)鉗(qian)(qian)(qian)(qian)柄(bing)固定(ding)或(huo)鉸(jiao)接(jie)，管(guan)件(jian)(jian)的(de)(de)(de)(de)(de)夾(jia)(jia)持、旋轉(zhuan)是由管(guan)件(jian)(jian)和(he)纏繞(rao)它的(de)(de)(de)(de)(de)鏈(lian)(lian)條(tiao)(tiao)之間的(de)(de)(de)(de)(de)摩擦力來實現(xian)的(de)(de)(de)(de)(de)，而扭力是由鉗(qian)(qian)(qian)(qian)柄(bing)前端(duan)(duan)的(de)(de)(de)(de)(de)局部(bu)牙輪與(yu)鏈(lian)(lian)條(tiao)(tiao)的(de)(de)(de)(de)(de)嚙合(he)力產(chan)生的(de)(de)(de)(de)(de)，鉗(qian)(qian)(qian)(qian)柄(bing)在(zai)管(guan)件(jian)(jian)表(biao)(biao)面沒有施力作用(yong)點。因此，本實用(yong)新型所述(shu)的(de)(de)(de)(de)(de)鏈(lian)(lian)條(tiao)(tiao)式(shi)管(guan)鉗(qian)(qian)(qian)(qian)克服(fu)了現(xian)有鏈(lian)(lian)條(tiao)(tiao)式(shi)管(guan)鉗(qian)(qian)(qian)(qian)的(de)(de)(de)(de)(de)不(bu)(bu)(bu)足之處，不(bu)(bu)(bu)但能對金屬(shu)管(guan)件(jian)(jian)，而且能對陶(tao)瓷管(guan)件(jian)(jian)、薄壁管(guan)件(jian)(jian)、塑料(liao)管(guan)件(jian)(jian)等進行夾(jia)(jia)持、旋轉(zhuan)，并不(bu)(bu)(bu)產(chan)生咬痕，不(bu)(bu)(bu)損傷管(guan)件(jian)(jian)表(biao)(biao)面。