Self-tightening space target object flexible capturing claw based on quick pulling of tether

The invention discloses a self-tightening flexible capturing claw for a space target object based on quick pulling of a tether. The device comprises a mounting seat, a mass block and a flexible rope tying claw. The flexible rope tying claw is installed in the installation base, a mass block is installed on the top of the flexible rope tying claw, and the dragging end of the flexible rope tying claw penetrates through the installation base and then is connected with the task platform. Wherein the mass block is mainly used for realizing the launching of the system and the self-locking of the flexible finger body; the flexible finger body is made of a flexible rubber material, has certain rigidity, can be bent when being stressed and is used for wrapping a large space target object; the mounting seat is mainly used for fixing the flexible finger body and routing and drawing the flexible rope system; self-tightening of the flexible finger body wrapping the target object can be achieved by pulling the flexible rop