High-altitude billboard
A billboard and advertising technology, applied in the field of advertising, can solve the problems of large advertising replacement cost and large loss of billboards, and achieve the effects of simple structure, convenient operation and prevention of shaking
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[0012] Combine below Figure 1-2 The present invention is described in detail, and for convenience of description, the orientations mentioned below are now stipulated as follows: figure 1 The up, down, left, right, front and back directions of the projection relationship itself are the same.
[0013] refer to Figure 1-2 , a high-altitude billboard according to an embodiment of the present invention, including an advertising pole 100, a transport cavity 106 is fixed inside the advertising pole 100, and a long chute 117 is communicated with the right end of the transport cavity 106, and the transport cavity 106 is fixed with a hoisting assembly, and the hoisting assembly can quickly replace the advertisement by using a sprocket set. In addition, when encountering bad weather such as a typhoon, the outer frame 115 can be transported to the ground to prevent the outer frame 115 from When falling from a high altitude, when the outer frame 115 is at the approved fixed position, t...
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