公开(公告)号：US11286731B1

公开(公告)日：2022-03-29

申请号：US17463563

申请日：2021-09-01

申请人： SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.

发明人： Ying Li ,  Xiaohu Li ,  Lin Wang ,  Xiaowu Ou ,  Aimin Tang ,  Qionghua Yang ,  Junqing Chai ,  Yan Lyu

IPC分类号： E21B19/14 ,  B25J15/08 ,  E21B19/15 ,  B25J5/00 ,  B25J9/16 ,  B25J5/02

摘要： A pipe racking system includes a diving board having a guide rail, a trolley, a manipulator, and a gripper. The trolley has two sides being mounted to the diving board via the guide rail and being driven by a rack and pinion member. The gripper is connected to an end of the manipulator away from the trolley. The trolley includes two pairs of combined bearings and two pairs of eccentric wheels. The gripper is configured to grip a tubular subject and include two opposing flippers, two first electric putters, and two springs. The two first electric putters is configured to control the two flippers. One end of each spring of the two springs is connected to a flipper of the two flippers and the other end of the each spring is connected to a push rod of a first electric putter of the two first electric putters.