| 摘要 |
PURPOSE: A joint pin restoration device for a support is provided to efficiently couple upper and lower vertical supports to each other and to prevent the coupled upper and lower vertical supports from being moved. CONSTITUTION: A joint pin restoration device(A) for a support comprises an outer pressing part(30) and an inner pressing part(40). The outer pressing part is formed on one side of the top of a backing part(20) fixed to a support frame(10). A joint pin mounting guide(33) is horizontally formed under a joint pin insertion groove(32) formed on the front surface of a vertical pressing frame(31) of the outer pressing part. A joint pin pressing head(35) is formed under a vertical hydraulic cylinder(34) formed on the top of the vertical pressing frame. The inner pressing part is formed on the other side of the top of the back part. An inner pressing bar(43) is coupled to a horizontal hydraulic cylinder(42) formed on a horizontal pressing frame(41) of the inner pressing part.
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