CPC E04B 1/3205 (2013.01) [E04B 2001/3217 (2013.01); E04B 2001/3247 (2013.01)] | 19 Claims |
1. An arch grid bolted sphere node rotating and fixing device, comprising a base, a fixing part, and a rotating part, wherein
the fixing part comprises a groove body, a first vertical plate, and a second vertical plate; the groove body, the first vertical plate, and the second vertical plate are respectively connected to the base; a notch of the groove body is obliquely upward; the first vertical plate and the second vertical plate are respectively located on opposite sides of the groove body; the first vertical plate is provided with a first through hole; the second vertical plate is provided with a second through hole; the first through hole and the second through hole are formed oppositely;
the rotating part comprises a first rod piece, a rotating sphere, and a second rod piece that are fixedly connected in sequence; the rotating sphere is placed in the groove body; the first rod piece is rotatably connected to the first through hole; and the second rod piece is rotatably connected to the second through hole;
wherein the groove body comprises side cross rib plates and a bottom cross rib plate; the side cross rib plates and the bottom cross rib plate are respectively connected to the base; and the side cross rib plates and the bottom cross rib plate are spliced in sequence along a plane perpendicular to the first rod piece and the second rod piece, and are used for forming a groove matched with a spherical surface of the rotating sphere.
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