【壓(ya)接(jie)鉗(qian)(qian)】壓(ya)接(jie)鉗(qian)(qian)的(de)結構是什么 壓(ya)接(jie)鉗(qian)(qian)有哪些分類呢(ni)
壓接鉗的結構是什么
壓接鉗又叫壓(ya)(ya)接(jie)機(ji),是電力行業在線(xian)路基本建設(she)施工和線(xian)路維修中進(jin)行導(dao)線(xian)接(jie)續(xu)壓(ya)(ya)接(jie)的必要工具(ju)。
由油(you)(you)(you)(you)箱(xiang)、動力機(ji)(ji)構、換向(xiang)閥(fa)(fa)、卸(xie)(xie)壓閥(fa)(fa)、泵(beng)油(you)(you)(you)(you)機(ji)(ji)構組成(cheng)。泵(beng)油(you)(you)(you)(you)機(ji)(ji)構由油(you)(you)(you)(you)泵(beng)體、高(gao)(gao)(gao)、低(di)壓油(you)(you)(you)(you)出(chu)油(you)(you)(you)(you)孔(kong)(kong)、偏(pian)心軸(zhou)、偏(pian)心軸(zhou)承(cheng)、從(cong)動齒輪(lun)和(he)一對高(gao)(gao)(gao)壓油(you)(you)(you)(you)泵(beng)以(yi)及一低(di)壓油(you)(you)(you)(you)泵(beng)構成(cheng)。油(you)(you)(you)(you)泵(beng)體懸固于油(you)(you)(you)(you)箱(xiang)蓋上,高(gao)(gao)(gao)、低(di)壓油(you)(you)(you)(you)出(chu)油(you)(you)(you)(you)孔(kong)(kong)開設(she)在(zai)油(you)(you)(you)(you)泵(beng)體上,與(yu)卸(xie)(xie)壓閥(fa)(fa)油(you)(you)(you)(you)路(lu)連接,偏(pian)心軸(zhou)呈縱(zong)向(xiang)設(she)置,上端樞置于油(you)(you)(you)(you)泵(beng)體中央,下端固設(she)偏(pian)心軸(zhou)承(cheng),從(cong)動齒輪(lun)固置在(zai)偏(pian)心軸(zhou)頂部,與(yu)動力機(ji)(ji)構聯結,高(gao)(gao)(gao)、低(di)壓油(you)(you)(you)(you)泵(beng)懸固在(zai)油(you)(you)(you)(you)泵(beng)體上,各具一與(yu)偏(pian)心軸(zhou)承(cheng)相(xiang)觸的(de)作動件,高(gao)(gao)(gao)、低(di)壓油(you)(you)(you)(you)泵(beng)的(de)泵(beng)腔(qiang)分(fen)別(bie)與(yu)高(gao)(gao)(gao)、低(di)壓油(you)(you)(you)(you)出(chu)油(you)(you)(you)(you)孔(kong)(kong)相(xiang)通(tong)。
壓接鉗有哪些分類呢
1、分體式壓接鉗
分體式壓接鉗需要配相應(ying)的泵浦,一(yi)般適合電架空線路(lu)和地(di)下電纜(lan)線路(lu)使用;也有適合大型電纜(lan)的分體式壓(ya)(ya)接鉗。一(yi)機多用,可(ke)用于(yu)鉗壓(ya)(ya)管鉗壓(ya)(ya),也可(ke)以(yi)實現六角壓(ya)(ya)模壓(ya)(ya)接。
2、充(chong)電(dian)式壓接(jie)鉗(qian)
充電式壓接鉗結構緊湊、重量輕,進、退操(cao)作按鈕(niu)安排合理(li)。單手即可操(cao)作;采用低(di)、
高壓(ya)兩級柱塞泵驅(qu)動(dong)(dong)設(she)計,壓(ya)接快速(su),系統設(she)有(you)安全溢流閥(fa),標準出力后自動(dong)(dong)卸壓(ya),頭(tou)部可作(zuo)350度旋轉(zhuan),適(shi)合不同角度壓(ya)接;工具配(pei)有(you)背帶(dai),特別適(shi)合登高作(zuo)業(新型鋰電池(chi)BP-14LN可壓(ya)接90次);
配(pei)置:主機一臺、電池一塊、充(chong)電器一個(ge)、樹脂工具箱一個(ge)。
3、手動式壓接鉗
采用高(gao)、低兩級柱塞(sai)泵(beng)驅動(dong)(dong)設(she)計,操作快速(su)省(sheng)力(li);系統設(she)有安全(quan)溢流閥,標準出力(li)后自動(dong)(dong)卸壓。
4、導線壓接鉗
導線壓(ya)(ya)(ya)接鉗是(shi)一種用(yong)冷壓(ya)(ya)(ya)的(de)(de)方(fang)法來連接銅、鋁導線的(de)(de)五金工(gong)(gong)(gong)具,特別是(shi)在鋁絞線和鋼芯鋁絞線敷設施(shi)工(gong)(gong)(gong)中常要用(yong)到它。壓(ya)(ya)(ya)接鉗大致可(ke)分為(wei)手壓(ya)(ya)(ya)和油(you)壓(ya)(ya)(ya)兩類(lei)。導線截面為(wei)35m㎡及以(yi)下用(yong)手壓(ya)(ya)(ya)鉗,35m㎡以(yi)上用(yong)齒輪壓(ya)(ya)(ya)鉗或油(you)壓(ya)(ya)(ya)鉗。隨(sui)著機械(xie)制造工(gong)(gong)(gong)業的(de)(de)發展,電工(gong)(gong)(gong)可(ke)采用(yong)的(de)(de)機械(xie)工(gong)(gong)(gong)具越(yue)來越(yue)多,使用(yong)這(zhe)(zhe)些(xie)(xie)工(gong)(gong)(gong)具不(bu)僅(jin)能大大降(jiang)低勞動強度,而且能成倍(bei)的(de)(de)提高工(gong)(gong)(gong)作(zuo)效率,所以(yi)電工(gong)(gong)(gong)有必要了解、掌握(wo)這(zhe)(zhe)些(xie)(xie)工(gong)(gong)(gong)具,要善于運用(yong)這(zhe)(zhe)些(xie)(xie)先進工(gong)(gong)(gong)具。
壓接鉗銜接鋁芯的方法
(1)依據導線截(jie)面挑選壓膜和橢圓形鋁套管;
(2)把(ba)銜接處(chu)的導線絕緣護(hu)套剝除,剝除長度應為鋁套管長度通常加上5~10mm(裸鋁線無此(ci)(ci)此(ci)(ci)項),用鋼絲刷去芯(xin)線外表的氧化層(膜);
(3)用另一(yi)清洗的鋼絲刷蘸一(yi)些凡(fan)士林(lin)鋅粉膏均勻地涂改(gai)在(zai)芯(xin)線上(shang),以防氧(yang)化層重(zhong)生。
(4)用圓條形鋼絲刷鏟除鋁套管內(nei)壁的氧化(hua)層及油垢,最佳也在管子(zi)內(nei)壁涂上凡士林鋅粉膏。
(5)把兩(liang)根芯線相對地刺(ci)進(jin)鋁(lv)套(tao)管,使兩(liang)個線頭恰(qia)好在鋁(lv)套(tao)管的正中銜接(jie)。
(6)依據鋁套管的粗細挑選恰當的線(xian)模(mo)裝在壓接(jie)鉗上(shang),擰緊定(ding)位螺絲后,把套有鋁套管的芯線(xian)嵌入(ru)線(xian)模(mo)。
(7)對準鋁(lv)(lv)套管(guan)(guan),用力捏夾鉗柄,進行(xing)壓(ya)(ya)(ya)接:先壓(ya)(ya)(ya)兩頭的兩個坑,再壓(ya)(ya)(ya)中(zhong)心的兩個坑,壓(ya)(ya)(ya)坑應在一向上。接頭壓(ya)(ya)(ya)接結束后(hou)要查看鋁(lv)(lv)套管(guan)(guan)彎曲度不該大于管(guan)(guan)長(chang)的2%,不然(ran)要用木錘校直;鋁(lv)(lv)套管(guan)(guan)不該有裂紋;鋁(lv)(lv)套管(guan)(guan)外面的導線不得有“燈籠(long)”形(xing)鼓包或“抽筋”形(xing)不齊(qi)等表象。
(8)擦去剩余的(de)油膏,在鋁(lv)套管兩(liang)頭及合縫處涂刷一層快干的(de)瀝青漆。然后再鋁(lv)套管及暴露(lu)導線有些先(xian)包兩(liang)層黃蠟帶,再包兩(liang)層黑膠布,一向抱(bao)到絕緣(yuan)層20mm的(de)當地