Warning device for road construction
A warning device, a technology for road construction, applied in the directions of roads, roads, road signs, etc., can solve the problems of not automatically increasing the warning effect and warning area, increasing the physical labor of construction personnel, and not knowing the construction site of warning signs, etc. Reduce the possibility of danger, increase the warning effect, and warn the driving personnel
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[0016] Combine below Figure 1-5 The present invention is described in detail, wherein, for the convenience of description, the orientations mentioned below are defined as follows: figure 1 The up, down, left, right, front and back directions of the projection relationship itself are the same.
[0017] A warning device for road construction according to the present invention includes a box body 11, a cavity 12 is arranged inside the box body 11, an electric push rod 21 is fixed on the inner wall of the upper side of the cavity 12, and the electric push rod The lower side of 21 is fixed with a sliding rod 13 that is slidably connected to the side wall of the cavity 12, and the lower side of the sliding rod 13 is fixed with two connecting rods 16 that are symmetrical about the left and right of the electric push rod 21 and extend downward. The outside of the connecting rod 16 is provided with a connecting box 44 that is slidably connected to the lower inner wall of the cavity 1...
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