Bridge steel cover telescopic device
A telescopic device, steel cover technology, applied in bridges, bridge parts, bridge construction and other directions, can solve the problems of easy detachment, easy damage and easy dust accumulation of waterproof rubber, and achieve good waterproof effect, smooth drainage and comfortable driving. Effect
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[0026] Below in conjunction with accompanying drawing and embodiment the present invention is further described: as figure 1 , 2 Shown in is the structure of the expansion device when the expansion joint is smaller than 160mm. The expansion device installed above the expansion joint includes a spanning cover plate 6, a positioning anchor plate 4, a first load-bearing beam 7, a second Bearing beams 10 and steel elastic bodies 9; the positioning anchor plates 4 are provided with multiple pairs on both sides of the expansion joints, all welded with anchoring steel bars 13, and the first bearing beams 7 and the second bearing beams 10 are respectively Set on both sides of the expansion joints on the abutment or beam body, and parallel to the expansion joints, welded to one end of the positioning anchor plate 4 on the side of the first load-bearing beam 7 and the second load-bearing beam 10 away from the expansion joints respectively fixed, the top of the first bearing beam 7 is w...
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