| 摘要 |
<p>According to the present invention, a safety inspection device for bridge structures includes: a support block wherein a plurality of rotatable leg parts is installed to stand upright on the ground; a sensing part which is extended from an elevation shaft to the top and comes in contact with the bottom of a bridge to measure the displacement point of the bridge; an elevation operation part including a support plate, a driving gear, a driven gear, a cover member, and a lever member; an elevation maintenance part including a case, a lock gear, a second elastic member, and an operation lever; an unlocking part including an unlocking hole part, a hinge part, and a hook member; and an elastic support part which supports the hook member to be moved in order to move the hook member when the unlocking hole part is engaged with or separated from the hook member.</p> |
