Warning board used for bridge construction
A technology for bridge construction and warning signs, which is applied in the directions of roads, road surface cleaning, road signs, etc., can solve the problems of no dust suppression function, the warning signs are easy to fall off, and not easy to fall off, and achieve the effect of weight reduction.
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Embodiment 1
[0028] A warning sign for bridge construction, such as Figure 1-4 As shown, it includes a box body 1, a warning board 2, a fixing device 3 and a moving device 4 up and down. The fixing device 3 is installed in the box body 1, and the moving device 4 is installed on the top of the box body 1. Warning board 2.
Embodiment 2
[0030] A warning sign for bridge construction, such as Figure 1-4 As shown, it includes a box body 1, a warning board 2, a fixing device 3 and a moving device 4 up and down. The fixing device 3 is installed in the box body 1, and the moving device 4 is installed on the top of the box body 1. Warning board 2.
[0031] The fixing device 3 includes a first water inlet pipe 31, a first valve 32, a first water outlet pipe 33, a second valve 34 and a sponge block 35; A first valve 32 is installed on it, a first outlet pipe 33 is connected to the lower left side of the box body 1 , a second valve 34 is installed on the first outlet pipe 33 , and a sponge block 35 is arranged in the box body 1 .
Embodiment 3
[0033] A warning sign for bridge construction, such as Figure 1-4 As shown, it includes a box body 1, a warning board 2, a fixing device 3 and a moving device 4 up and down. The fixing device 3 is installed in the box body 1, and the moving device 4 is installed on the top of the box body 1. Warning board 2.
[0034] The fixing device 3 includes a first water inlet pipe 31, a first valve 32, a first water outlet pipe 33, a second valve 34 and a sponge block 35; A first valve 32 is installed on it, a first outlet pipe 33 is connected to the lower left side of the box body 1 , a second valve 34 is installed on the first outlet pipe 33 , and a sponge block 35 is arranged in the box body 1 .
[0035]Moving device 4 up and down comprises pole 41, motor 42, gear 43, slide rail 44, slide block 45, rack 46 and guide bar 47, and casing 1 top right side is connected with pole 41, and pole 41 top is installed with Motor 42, gear 43 is installed on the output shaft of motor 42, and sli...
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