【壓接(jie)鉗(qian)(qian)】壓接(jie)鉗(qian)(qian)的結構是什(shen)么 壓接(jie)鉗(qian)(qian)有(you)哪些分類呢
壓接鉗的結構是什么
壓接鉗又叫壓接(jie)機,是電(dian)力行(xing)業在線路基本建設施工(gong)和(he)線路維修中進(jin)行(xing)導線接(jie)續壓接(jie)的(de)必要工(gong)具。
由油(you)(you)(you)(you)箱、動(dong)(dong)(dong)力機構(gou)、換向(xiang)閥(fa)(fa)、卸壓(ya)閥(fa)(fa)、泵(beng)(beng)(beng)油(you)(you)(you)(you)機構(gou)組成。泵(beng)(beng)(beng)油(you)(you)(you)(you)機構(gou)由油(you)(you)(you)(you)泵(beng)(beng)(beng)體(ti)(ti)、高(gao)(gao)、低(di)(di)壓(ya)油(you)(you)(you)(you)出油(you)(you)(you)(you)孔(kong)、偏心(xin)(xin)軸(zhou)、偏心(xin)(xin)軸(zhou)承、從動(dong)(dong)(dong)齒輪(lun)和(he)一對高(gao)(gao)壓(ya)油(you)(you)(you)(you)泵(beng)(beng)(beng)以及一低(di)(di)壓(ya)油(you)(you)(you)(you)泵(beng)(beng)(beng)構(gou)成。油(you)(you)(you)(you)泵(beng)(beng)(beng)體(ti)(ti)懸固于油(you)(you)(you)(you)箱蓋上(shang)(shang)(shang),高(gao)(gao)、低(di)(di)壓(ya)油(you)(you)(you)(you)出油(you)(you)(you)(you)孔(kong)開設(she)在油(you)(you)(you)(you)泵(beng)(beng)(beng)體(ti)(ti)上(shang)(shang)(shang),與卸壓(ya)閥(fa)(fa)油(you)(you)(you)(you)路(lu)連(lian)接,偏心(xin)(xin)軸(zhou)呈縱向(xiang)設(she)置,上(shang)(shang)(shang)端樞置于油(you)(you)(you)(you)泵(beng)(beng)(beng)體(ti)(ti)中(zhong)央,下端固設(she)偏心(xin)(xin)軸(zhou)承,從動(dong)(dong)(dong)齒輪(lun)固置在偏心(xin)(xin)軸(zhou)頂部(bu),與動(dong)(dong)(dong)力機構(gou)聯結,高(gao)(gao)、低(di)(di)壓(ya)油(you)(you)(you)(you)泵(beng)(beng)(beng)懸固在油(you)(you)(you)(you)泵(beng)(beng)(beng)體(ti)(ti)上(shang)(shang)(shang),各具一與偏心(xin)(xin)軸(zhou)承相觸的(de)作動(dong)(dong)(dong)件,高(gao)(gao)、低(di)(di)壓(ya)油(you)(you)(you)(you)泵(beng)(beng)(beng)的(de)泵(beng)(beng)(beng)腔(qiang)分別與高(gao)(gao)、低(di)(di)壓(ya)油(you)(you)(you)(you)出油(you)(you)(you)(you)孔(kong)相通。
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(pei)相(xiang)應的泵浦(pu),一般適(shi)合電(dian)架(jia)空(kong)線路和地下電(dian)纜線路使(shi)用(yong);也有(you)適(shi)合大型(xing)電(dian)纜的分體式壓(ya)接鉗(qian)。一機多用(yong),可用(yong)于鉗(qian)壓(ya)管鉗(qian)壓(ya),也可以實現六角(jiao)壓(ya)模壓(ya)接。
2、充電式壓(ya)接鉗
充電式壓(ya)接鉗結(jie)構(gou)緊湊、重量輕,進、退操(cao)(cao)作(zuo)按鈕(niu)安排合(he)理。單手即(ji)可操(cao)(cao)作(zuo);采用低、
高壓兩級柱塞泵驅動(dong)設計(ji),壓接快速,系統設有安全溢(yi)流閥,標準出力后自動(dong)卸(xie)壓,頭部可作350度(du)旋轉,適合不(bu)同角(jiao)度(du)壓接;工具(ju)配有背帶,特別適合登高作業(ye)(新型鋰電(dian)池BP-14LN可壓接90次);
配(pei)置(zhi):主機一臺、電(dian)(dian)池一塊、充電(dian)(dian)器一個、樹脂工具(ju)箱一個。
3、手動式壓接鉗
采用高、低兩(liang)級柱(zhu)塞泵驅(qu)動設計,操作快速省力;系統設有安全溢流閥,標準出力后自動卸壓。
4、導線壓接鉗
導(dao)(dao)線壓(ya)(ya)接鉗是一(yi)種用(yong)(yong)冷壓(ya)(ya)的(de)(de)(de)(de)(de)方法來連(lian)接銅、鋁導(dao)(dao)線的(de)(de)(de)(de)(de)五金工(gong)具(ju),特別是在鋁絞線和鋼芯鋁絞線敷(fu)設施(shi)工(gong)中常(chang)要(yao)用(yong)(yong)到(dao)它。壓(ya)(ya)接鉗大致可分為(wei)手(shou)壓(ya)(ya)和油壓(ya)(ya)兩類。導(dao)(dao)線截面為(wei)35m㎡及以(yi)下(xia)用(yong)(yong)手(shou)壓(ya)(ya)鉗,35m㎡以(yi)上用(yong)(yong)齒輪壓(ya)(ya)鉗或油壓(ya)(ya)鉗。隨著機械制(zhi)造工(gong)業的(de)(de)(de)(de)(de)發展,電工(gong)可采用(yong)(yong)的(de)(de)(de)(de)(de)機械工(gong)具(ju)越來越多,使用(yong)(yong)這些工(gong)具(ju)不僅(jin)能大大降低(di)勞動強度,而且(qie)能成倍的(de)(de)(de)(de)(de)提高工(gong)作效率,所以(yi)電工(gong)有(you)必要(yao)了解、掌握這些工(gong)具(ju),要(yao)善于(yu)運用(yong)(yong)這些先進(jin)工(gong)具(ju)。
壓接鉗銜接鋁芯的方法
(1)依據(ju)導(dao)線截面挑選壓膜和橢(tuo)圓形(xing)鋁套管;
(2)把銜接處的導線絕緣護套(tao)剝除(chu),剝除(chu)長度(du)應(ying)為(wei)鋁(lv)套(tao)管長度(du)通常加上5~10mm(裸鋁(lv)線無此此項),用鋼絲刷(shua)去芯(xin)線外表的氧(yang)化層(膜);
(3)用另一(yi)清洗(xi)的鋼絲(si)刷蘸一(yi)些凡士林鋅粉膏均勻地(di)涂改在(zai)芯線上,以防(fang)氧化層重(zhong)生。
(4)用圓條形鋼絲(si)刷(shua)鏟(chan)除(chu)鋁套(tao)管內(nei)壁的氧化層及油垢,最佳(jia)也在管子內(nei)壁涂上凡士林鋅粉膏(gao)。
(5)把兩根芯線相對地(di)刺進鋁套(tao)管,使兩個線頭恰好在(zai)鋁套(tao)管的(de)正(zheng)中(zhong)銜接。
(6)依(yi)據鋁套管的粗細挑選恰當的線模裝在(zai)壓接鉗上,擰緊(jin)定位螺絲后,把套有鋁套管的芯線嵌入線模。
(7)對準鋁套(tao)管,用力捏夾鉗(qian)柄,進行壓(ya)(ya)接:先壓(ya)(ya)兩(liang)頭的(de)(de)兩(liang)個(ge)坑(keng),再壓(ya)(ya)中(zhong)心的(de)(de)兩(liang)個(ge)坑(keng),壓(ya)(ya)坑(keng)應在一向上。接頭壓(ya)(ya)接結束后(hou)要(yao)查看鋁套(tao)管彎曲度不(bu)該(gai)大于管長的(de)(de)2%,不(bu)然要(yao)用木錘校直;鋁套(tao)管不(bu)該(gai)有(you)裂紋;鋁套(tao)管外面的(de)(de)導線不(bu)得有(you)“燈籠(long)”形鼓(gu)包或“抽(chou)筋”形不(bu)齊等表象。
(8)擦去剩余的油膏(gao),在鋁(lv)套管(guan)(guan)兩(liang)頭及(ji)合(he)縫處(chu)涂(tu)刷(shua)一層(ceng)(ceng)快干的瀝(li)青(qing)漆。然后再(zai)鋁(lv)套管(guan)(guan)及(ji)暴露導線(xian)有些先包兩(liang)層(ceng)(ceng)黃(huang)蠟帶,再(zai)包兩(liang)層(ceng)(ceng)黑膠布,一向(xiang)抱到絕緣層(ceng)(ceng)20mm的當地