日本馬沙達(dá)千斤頂是一種起重高度小的最簡單的起重設(shè)備。日本馬沙達(dá)千斤頂有機(jī)械式和液壓式兩種。機(jī)械式千斤頂又有齒條式與螺旋式兩種,日本馬沙達(dá)千斤頂由于起重量小,操作費(fèi)力,一般只用于機(jī)械維修工作,在修橋過程中不適用。日本馬沙達(dá)千斤頂結(jié)構(gòu)緊湊,日本馬沙達(dá)千斤頂工作平穩(wěn),日本馬沙達(dá)千斤頂有自鎖作用,日本馬沙達(dá)千斤頂故使用廣泛。其缺點(diǎn)是起重高度有限、起升速度慢.

Japan Masada jack is a lifting height of the most simple lifting equipment. Japan Masada Jack has two kinds of mechanical and hydraulic. Mechanical jack and spiral two, Japan Masada Jack due to the small weight, the operation is difficult, generally only for mechanical maintenance work, in the process of repairing the bridge does not apply. Japan's Masada jack structure is compact, Japan's Masada jack works smoothly, Japan's Masada Jack has a self locking effect, the Japanese Masada jack is widely used. The disadvantage is that the lifting height is limited and the lifting speed is slow.