集電(dian)(dian)刷(shua)(shua)(shua)是(shi)(shi)滑(hua)(hua)(hua)線系(xi)統中集電(dian)(dian)器最主要(yao)的(de)(de)部件之一，是(shi)(shi)滑(hua)(hua)(hua)觸(chu)線系(xi)統中集電(dian)(dian)側拾取電(dian)(dian)能的(de)(de)主要(yao)裝置(zhi)，它通(tong)過(guo)集電(dian)(dian)刷(shua)(shua)(shua)與導(dao)軌(gui)的(de)(de)滑(hua)(hua)(hua)動(dong)接(jie)觸(chu)，將電(dian)(dian)能直(zhi)(zhi)接(jie)傳導(dao)至用電(dian)(dian)器，從而實(shi)現(xian)系(xi)統的(de)(de)移動(dong)供電(dian)(dian)。集電(dian)(dian)器由機械結(jie)構(gou)(gou)的(de)(de)張力裝置(zhi)和直(zhi)(zhi)接(jie)與導(dao)軌(gui)滑(hua)(hua)(hua)動(dong)接(jie)觸(chu)的(de)(de)集電(dian)(dian)刷(shua)(shua)(shua)兩部分(fen)組成。機械結(jie)構(gou)(gou)的(de)(de)張力裝置(zhi)決(jue)定(ding)集電(dian)(dian)刷(shua)(shua)(shua)與導(dao)軌(gui)的(de)(de)滑(hua)(hua)(hua)動(dong)接(jie)觸(chu)壓力和機構(gou)(gou)的(de)(de)穩定(ding)性，集電(dian)(dian)刷(shua)(shua)(shua)則是(shi)(shi)導(dao)軌(gui)滑(hua)(hua)(hua)動(dong)接(jie)觸(chu)拾取電(dian)(dian)能的(de)(de)導(dao)體，它的(de)(de)性能和導(dao)電(dian)(dian)質量(liang)以及材料結(jie)構(gou)(gou)成分(fen)的(de)(de)優劣，將直(zhi)(zhi)接(jie)影響整(zheng)個(ge)系(xi)統設(she)備的(de)(de)安全運行質量(liang)。