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(1)拆装内六角螺栓。采用一个厚度较大的六角螺母塞入内六角螺栓头内,再用普通扳手拧转六角螺母,即可轻易拆装内六角螺栓。(2)自制半圆键。半圆键会磨损,甚至被剪切。购买或加工一个半圆键需要较长的时间,影响生产。为此,可就地取材,选择一个直径、材料性能相仿的螺栓,经锯割、锉削、修磨,达到技术要求后即可使用,省时省钱。(3)巧修轴承孔。起重机中桥与后桥之间的悬架多采用平衡梁结构。随着使用时
(1) disassembly hexagonal bolts. Use a hexagon nut with a larger thickness into the head of the hexagon head bolt, and then turn the hexagon nut with an ordinary wrench to disassemble the hexagon socket head cap bolts. (2) homemade semicircle key. Semicircular keys wear, even cut. Buy or process a semicircle key takes a long time, affecting production. To this end, can be drawn locally, choose a diameter, similar to the material properties of the bolt, sawing, filing, grinding, to meet the technical requirements after use, save time and money. (3) clever bearing hole. Crane bridge between the bridge and the bridge after the balance beam structure. With use