Anti-falling net for safety construction of constructional engineering
A technology for construction engineering and anti-fall nets, applied in the field of anti-fall nets, can solve the problems of poor flexibility, rupture, and secondary falls of the protective nets, and achieve the effects of avoiding secondary falls, facilitating the connection, and increasing frictional resistance.
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Embodiment 1
[0030] An anti-falling net for construction safety construction, comprising two connecting support members 1 connected to the building body, and a protective net 2 installed between the connecting supporting members 1, the two ends of the protective net 2 are connected to the The connecting support members 1 are fixedly connected, the lateral width of the protective net 2 is larger than the distance between the two connecting supporting members 1, and the redundant part of the protective net 2 is wound on the connecting supporting member 1, When a heavy object falls onto the protective net 2, the wound part of the protective net 2 is stretched and opened by the falling force.
Embodiment 2
[0032] The connecting support member 1 includes a connecting plate 101 connecting the building body, a rotating seat 102 is arranged on the surface of the connecting plate 101, and a steel pipe 103 is rotatably connected through the rotating seat 102, and the steel pipe 103 and the A pin shaft 104 is fitted between the rotating bases 102. On the surface of the connecting plate 101, a bracket 105 is arranged below the rotating base 102, and a vertical support bolt 106 is fitted through the bracket 105. The upper end of the support bolt 106 is supported on the bottom of the steel pipe 103; under the support of the support bolt 106, the angle formed between the steel pipe 103 and the building body is 75°~90°; The angle is adjustable, and the adjustment method is to adjust the support height of the support bolts 106; the steel pipe 103 is provided with a retaining ring 111, and the end of the steel pipe 103 is threaded with a limit nut 112, and the protective net 2 is wound around ...
Embodiment 3
[0034] An air column 3 is coaxially sleeved on the steel pipe 103, the air column 3 is cylindrical, and a through hole 301 for matching the steel pipe 103 is arranged at its axis; under normal conditions, the through hole 301 Transition fit between the steel pipe 103, the air column 3 has an air nozzle 302 for inflation and deflation, the air column 3 is made of rubber material, after it is inflated through the air nozzle 302, the inner diameter of the through hole 301 is reduced, The interference fit between the through hole 301 and the steel pipe 103 after the inner diameter is reduced, and the rotation damping of the air column 3 increases; Wind the end of the air column 3 on the air column 3, and then inflate the air column 3 through the air nozzle 302. At this time, the expansion of the air column 3 generates an expansion force on the inner side of the protective net 2, so that the adhesion between the wound multi-layer protective net 2 The combination is tighter, increas...
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