【壓(ya)接(jie)鉗(qian)】壓(ya)接(jie)鉗(qian)的結構(gou)是什么(me) 壓(ya)接(jie)鉗(qian)有(you)哪些分類呢
壓接鉗的結構是什么
壓接鉗又叫壓(ya)接(jie)機,是電力行業在線(xian)(xian)路基(ji)本建設施工和線(xian)(xian)路維修中(zhong)進行導線(xian)(xian)接(jie)續壓(ya)接(jie)的必要工具。
由(you)油(you)(you)(you)(you)(you)箱、動(dong)(dong)力(li)機構、換(huan)向閥、卸(xie)壓(ya)閥、泵(beng)油(you)(you)(you)(you)(you)機構組成。泵(beng)油(you)(you)(you)(you)(you)機構由(you)油(you)(you)(you)(you)(you)泵(beng)體(ti)(ti)(ti)、高(gao)、低(di)壓(ya)油(you)(you)(you)(you)(you)出(chu)油(you)(you)(you)(you)(you)孔、偏(pian)心(xin)軸、偏(pian)心(xin)軸承、從(cong)動(dong)(dong)齒輪和一(yi)(yi)對高(gao)壓(ya)油(you)(you)(you)(you)(you)泵(beng)以及一(yi)(yi)低(di)壓(ya)油(you)(you)(you)(you)(you)泵(beng)構成。油(you)(you)(you)(you)(you)泵(beng)體(ti)(ti)(ti)懸(xuan)固(gu)于油(you)(you)(you)(you)(you)箱蓋(gai)上(shang),高(gao)、低(di)壓(ya)油(you)(you)(you)(you)(you)出(chu)油(you)(you)(you)(you)(you)孔開設(she)(she)在油(you)(you)(you)(you)(you)泵(beng)體(ti)(ti)(ti)上(shang),與卸(xie)壓(ya)閥油(you)(you)(you)(you)(you)路連接,偏(pian)心(xin)軸呈(cheng)縱向設(she)(she)置,上(shang)端(duan)樞置于油(you)(you)(you)(you)(you)泵(beng)體(ti)(ti)(ti)中央(yang),下端(duan)固(gu)設(she)(she)偏(pian)心(xin)軸承,從(cong)動(dong)(dong)齒輪固(gu)置在偏(pian)心(xin)軸頂部,與動(dong)(dong)力(li)機構聯結,高(gao)、低(di)壓(ya)油(you)(you)(you)(you)(you)泵(beng)懸(xuan)固(gu)在油(you)(you)(you)(you)(you)泵(beng)體(ti)(ti)(ti)上(shang),各(ge)具一(yi)(yi)與偏(pian)心(xin)軸承相觸的作動(dong)(dong)件,高(gao)、低(di)壓(ya)油(you)(you)(you)(you)(you)泵(beng)的泵(beng)腔分別與高(gao)、低(di)壓(ya)油(you)(you)(you)(you)(you)出(chu)油(you)(you)(you)(you)(you)孔相通。
壓接鉗有哪些分類呢
1、分體式壓接鉗(qian)
分體式壓接鉗需要配相應的(de)泵浦(pu),一(yi)般適(shi)合電(dian)架空線(xian)路(lu)和地下(xia)電(dian)纜線(xian)路(lu)使用(yong)(yong);也有適(shi)合大型電(dian)纜的(de)分體式壓(ya)接鉗(qian)。一(yi)機多用(yong)(yong),可(ke)用(yong)(yong)于鉗(qian)壓(ya)管(guan)鉗(qian)壓(ya),也可(ke)以實現六角壓(ya)模壓(ya)接。
2、充(chong)電式壓(ya)接鉗
充電式壓(ya)接鉗結構緊湊、重量輕,進(jin)、退操(cao)作按鈕安排合理。單手即可(ke)操(cao)作;采(cai)用(yong)低(di)、
高壓(ya)兩級柱塞泵驅動(dong)設計,壓(ya)接快速,系(xi)統設有(you)安(an)全溢流閥,標準出力后自動(dong)卸壓(ya),頭部(bu)可(ke)作(zuo)350度(du)旋轉,適合不同角(jiao)度(du)壓(ya)接;工具配有(you)背帶,特別(bie)適合登高作(zuo)業(新型鋰電池BP-14LN可(ke)壓(ya)接90次);
配置:主機一(yi)臺(tai)、電池一(yi)塊、充(chong)電器一(yi)個(ge)、樹脂(zhi)工(gong)具(ju)箱(xiang)一(yi)個(ge)。
3、手動式壓接鉗
采(cai)用高、低兩級柱塞泵驅動設(she)計,操(cao)作(zuo)快速省(sheng)力(li);系統(tong)設(she)有安(an)全溢流閥,標準出力(li)后自動卸(xie)壓。
4、導線壓接鉗
導線(xian)壓(ya)(ya)接鉗(qian)是(shi)一種用(yong)(yong)(yong)冷壓(ya)(ya)的(de)方法來連接銅、鋁導線(xian)的(de)五(wu)金工具(ju)(ju),特別是(shi)在鋁絞線(xian)和鋼(gang)芯(xin)鋁絞線(xian)敷設施工中常要用(yong)(yong)(yong)到它。壓(ya)(ya)接鉗(qian)大(da)(da)致可(ke)分為(wei)(wei)手壓(ya)(ya)和油(you)壓(ya)(ya)兩類(lei)。導線(xian)截面為(wei)(wei)35m㎡及以下用(yong)(yong)(yong)手壓(ya)(ya)鉗(qian),35m㎡以上用(yong)(yong)(yong)齒輪(lun)壓(ya)(ya)鉗(qian)或油(you)壓(ya)(ya)鉗(qian)。隨著機(ji)械制(zhi)造工業的(de)發(fa)展,電(dian)工可(ke)采用(yong)(yong)(yong)的(de)機(ji)械工具(ju)(ju)越來越多,使用(yong)(yong)(yong)這(zhe)些工具(ju)(ju)不(bu)僅(jin)能大(da)(da)大(da)(da)降低勞動強度,而且能成倍的(de)提高工作效率,所以電(dian)工有必要了(le)解、掌握(wo)這(zhe)些工具(ju)(ju),要善(shan)于運用(yong)(yong)(yong)這(zhe)些先進工具(ju)(ju)。
壓接鉗銜接鋁芯的方法
(1)依據導(dao)線截面挑選壓膜和橢圓(yuan)形鋁套管;
(2)把銜接處的(de)導(dao)線(xian)(xian)絕緣護套剝除,剝除長度(du)應為鋁套管(guan)長度(du)通常加上5~10mm(裸鋁線(xian)(xian)無此此項),用鋼絲刷去芯線(xian)(xian)外(wai)表(biao)的(de)氧化層(ceng)(膜);
(3)用另一清洗的鋼絲(si)刷蘸一些凡士林(lin)鋅粉(fen)膏(gao)均勻地(di)涂改在芯線上,以(yi)防氧(yang)化(hua)層重生。
(4)用圓條形(xing)鋼(gang)絲刷鏟除鋁套管(guan)內壁的(de)氧化層及油垢,最(zui)佳也在管(guan)子(zi)內壁涂上(shang)凡士林(lin)鋅粉膏。
(5)把兩根芯線(xian)相對地刺進鋁套(tao)管(guan),使(shi)兩個線(xian)頭(tou)恰好在鋁套(tao)管(guan)的正中銜接。
(6)依據鋁套(tao)管(guan)(guan)的(de)粗細(xi)挑(tiao)選恰當的(de)線(xian)模裝在壓接鉗上,擰緊定位螺絲后,把套(tao)有鋁套(tao)管(guan)(guan)的(de)芯線(xian)嵌(qian)入線(xian)模。
(7)對準鋁套管(guan),用力(li)捏夾鉗柄,進行壓(ya)(ya)接:先壓(ya)(ya)兩頭(tou)的(de)兩個坑,再(zai)壓(ya)(ya)中心(xin)的(de)兩個坑,壓(ya)(ya)坑應在一向(xiang)上。接頭(tou)壓(ya)(ya)接結束(shu)后要(yao)查看鋁套管(guan)彎曲度不該大(da)于管(guan)長的(de)2%,不然要(yao)用木錘校直;鋁套管(guan)不該有裂紋;鋁套管(guan)外面的(de)導線不得有“燈籠”形鼓包或“抽筋”形不齊等表象。
(8)擦去剩余的油(you)膏(gao),在鋁(lv)套管(guan)兩(liang)頭及合縫處涂刷一層(ceng)(ceng)快干的瀝青漆。然后再鋁(lv)套管(guan)及暴露導線有些(xie)先包(bao)兩(liang)層(ceng)(ceng)黃蠟(la)帶,再包(bao)兩(liang)層(ceng)(ceng)黑膠布,一向抱到絕緣(yuan)層(ceng)(ceng)20mm的當地