ROD-SPRING STRUCTURED CLAMPING AND LOOSENING DEVICE FOR DOWNHOLE BELT REPLACEMENT APPARATUS AND OPERATING METHOD THEREOF

Abstract: a rod-spring structured clamping and loosening device for a downhole belt replacement apparatus includes an upper and a lower cylinder fixed seat. the upper and the lower cylinder fixed seat are respectively connected to a first and a second set of pull rods, and each set of the pull rods pass through a first transition plate, a second transition plate, and a third transition plate. a first chuck is mounted on a side of the first transition plate facing the upper cylinder fixed seat, a second chuck is mounted on a side of the third transition plate facing the lower cylinder fixed seat, and the first and the second set of the pull rods are fixed at the first and the second chuck. a disc spring is mounted between the first and the second transition plate, and a jack is mounted between the second and the third transition plate.

Inventor(s): Ziming KOU, Baofu KOU, Juan WU, Jianguo LUO, Pan LI, Haiqing WANG, Jiabao XUE, Guangping HUANG, Hang LIU, Wei WANG, Zhihui WU, Yanfei XUE

CPC Classification: B65G15/60 (Arrangements for supporting or guiding belts, e.g. by fluid jets)

Search for rejections for patent application number 20250214781