US 12,071,760 B2
Arch grid bolted sphere node rotating and fixing device and arch grid mounting system
Qingtong Li, Urumqi (CN); Re Tiemu, Urumqi (CN); Wenjun Chen, Urumqi (CN); and Tianqin Zhang, Urumqi (CN)
Assigned to China Construction Xinjiang Industrial Energy Engineering Co., Ltd, Xinjiang (CN)
Appl. No. 17/780,625
Filed by China Construction Xinjiang Industrial Energy Engineering Co., Ltd, Urumqi (CN)
PCT Filed Jun. 28, 2021, PCT No. PCT/CN2021/102814
§ 371(c)(1), (2) Date May 27, 2022,
PCT Pub. No. WO2022/001974, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 202010597493.7 (CN), filed on Jun. 28, 2020.
Prior Publication US 2023/0358033 A1, Nov. 9, 2023
Int. Cl. E04B 1/38 (2006.01); E04B 1/32 (2006.01)
CPC E04B 1/3205 (2013.01) [E04B 2001/3217 (2013.01); E04B 2001/3247 (2013.01)] 19 Claims
OG exemplary drawing
 
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.