US 12,084,821 B2
Foldable windproof unit, large-span windproof net structure thereof and windproof method
Qingkuan Liu, Hebei (CN); Xiaobing Chai, Hebei (CN); Yifei Sun, Hebei (CN); Zhen Li, Hebei (CN); Xi Wang, Hebei (CN); Nian Liu, Hebei (CN); Yangxue Wang, Hebei (CN); Xing Chang, Hebei (CN); and Saifei Fu, Hebei (CN)
Assigned to Shijiazhuang Tiedao University, Hebei (CN)
Filed by SHIJIAZHUANG TIEDAO UNIVERSITY, Hebei (CN)
Filed on Nov. 29, 2022, as Appl. No. 18/071,494.
Claims priority of application No. 202211169036.3 (CN), filed on Sep. 26, 2022.
Prior Publication US 2024/0102256 A1, Mar. 28, 2024
Int. Cl. E01F 7/02 (2006.01)
CPC E01F 7/025 (2013.01) 20 Claims
OG exemplary drawing
 
1. A foldable windproof unit, comprising:
a flexible windproof net,
towers arranged at intervals, and
a load-bearing rope erected on the two towers,
wherein the tower on one side is provided with a horizontal pulley assembly, and
the tower on the other side is provided with two vertical pulleys;
the top edge of the flexible windproof net is slidably connected to the load-bearing rope by means of a plurality of hanging structures;
the foldable windproof unit further comprises a traction rope, the traction rope is arranged on the horizontal pulley assembly in a sleeving manner, and
the two free ends of the traction rope extend to respectively bypass the two vertical pulleys and are connected to a winding mechanism;
the hanging structure close to the tower on one side is fixedly connected to the traction rope, and
the flexible windproof net is driven to be unfolded or folded through the forward and reverse rotation of the winding mechanism.