芒果视频

一、扳手是干什么用的

扳(ban)手(shou)(shou)是(shi)一種常(chang)用(yong)的安裝(zhuang)與拆(chai)卸工具，是(shi)利用(yong)杠桿(gan)原理擰轉螺(luo)(luo)栓、螺(luo)(luo)釘、螺(luo)(luo)母(mu)和其他螺(luo)(luo)紋緊持螺(luo)(luo)栓或螺(luo)(luo)母(mu)的開口(kou)或套孔(kong)固件的手(shou)(shou)工工具。扳(ban)手(shou)(shou)通(tong)常(chang)用(yong)碳素或合(he)金材料(liao)的結構鋼制造。

二、扳手種類有哪些

1、呆(dai)扳(ban)(ban)手：呆(dai)扳(ban)(ban)手是一種通用工具(ju)，一端或兩端制有(you)固定(ding)(ding)尺寸的(de)開口，主要用于擰轉一定(ding)(ding)尺寸的(de)螺母或螺栓。

2、梅花扳手：梅花扳手兩端具有(you)帶六角(jiao)孔或十二角(jiao)孔的工(gong)作(zuo)端，適用(yong)于(yu)工(gong)作(zuo)空(kong)間(jian)狹(xia)小，不能使(shi)用(yong)普(pu)通扳手的場合

3、兩(liang)用(yong)扳(ban)手(shou)：兩(liang)用(yong)扳(ban)手(shou)一端與(yu)單(dan)頭呆(dai)扳(ban)手(shou)相(xiang)同，另(ling)一端與(yu)梅花扳(ban)手(shou)相(xiang)同，兩(liang)端擰轉相(xiang)同規格的螺栓或螺母(mu)。

4、活動(dong)扳(ban)(ban)手：活動(dong)扳(ban)(ban)手簡稱活扳(ban)(ban)手，其開(kai)口寬度可(ke)在一定范圍內調節，是用來緊固和起松不同規格的(de)螺母和螺栓的(de)一種工具。

5、鉤形扳手：鉤形扳手又稱月牙形扳手，主要用于擰轉厚度受限制的扁螺母。這類扳手品牌產品比(bi)較少見(jian)，在(zai)汽車修理上用的比(bi)較多。

6、套筒扳(ban)手：套筒扳(ban)手由(you)多(duo)個帶六角孔(kong)或十二角孔(kong)的套筒構成，并配有手柄、接桿等(deng)多(duo)種附件。

7、內(nei)六(liu)角扳(ban)(ban)手(shou)：內(nei)六(liu)角扳(ban)(ban)手(shou)是成(cheng)L形的(de)六(liu)角棒狀(zhuang)扳(ban)(ban)手(shou)，專用(yong)于(yu)擰轉(zhuan)內(nei)六(liu)角螺(luo)釘，在(zai)拆卸機床(chuang)、車輛、機械設備上用(yong)的(de)比較多。

8、扭(niu)(niu)力扳手(shou)(shou)：扭(niu)(niu)力扳手(shou)(shou)又(you)叫(jiao)扭(niu)(niu)矩(ju)扳手(shou)(shou)、扭(niu)(niu)力扳手(shou)(shou)、扭(niu)(niu)矩(ju)可(ke)(ke)調(diao)(diao)扳手(shou)(shou)，可(ke)(ke)以設定扭(niu)(niu)矩(ju)，并且扭(niu)(niu)矩(ju)可(ke)(ke)調(diao)(diao)，主要(yao)用于緊固(gu)螺栓。

9、電(dian)動扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)：電(dian)動扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)是以(yi)電(dian)源(yuan)或電(dian)池(chi)為(wei)動力的扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)，主要分為(wei)沖(chong)擊扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)、扭剪扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)、定扭矩扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)、轉角扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)、角向扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)、液壓扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)、扭力扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)等類型(xing)。

三、各類扳手的選用原則是什么

在(zai)拆卸(xie)螺(luo)(luo)栓時(shi)，應按照(zhao)“先(xian)套筒(tong)扳手(shou)、后(hou)梅花扳手(shou)、再開口扳手(shou)、最后(hou)活動扳手(shou)”的(de)選(xuan)用原(yuan)則(ze)進行選(xuan)取。在(zai)選(xuan)用扳手(shou)時(shi)，要注意扳手(shou)的(de)尺(chi)寸，尺(chi)寸是指它所能(neng)擰動的(de)螺(luo)(luo)栓或螺(luo)(luo)母正對面間的(de)距離。