A base for christmas tree or production tree hoist device

• Main Authors: LIU YAN, MA JIE, LONG YONGHAO, GUAN HONGBIN, XIANG KEMAN, JIAO YONGMEI, LI XINFENG, LI XIAODONG, YE CHAO, XIE WENGUANG
• Format: Patent
• Language: Chinese; English
• Published: 18.01.2017
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

The utility model relates to an oil recovery, gas production equipment technical field, concretely relates to a base for christmas tree or production tree hoist device, establish including urceolus and cover inner tube in the urceolus, the urceolus is connected with production tree or christmas tree, the inner wall of inner tube and hoist device's vertical braces spare clearance fit, the bottom of inner tube is provided with pivoting part. In the above -mentioned scheme of this application, the base setting damages when needing to be changed when certain component of production tree or christmas tree on production tree or christmas tree, with setting up on the base, changes the component through hoist device between the hoist device, so supplementary change work improves and changes efficiency, has reduced workman's intensity of labour, and, in above -mentioned scheme for the inner tube can turn around, just also makes hoist device to turn around, and then raises hoist device's position at the circumferencial