Gripper, manipulator, and experimental device

A manipulator, comprising a robotic arm and a gripper, wherein the gripper comprises:

• a fixed seat;
• a transmission rod, movably connected to the fixed seat;
• a movable seat, connected to the transmission rod and movable relative to the fixed seat in an axial direction of the transmission rod;
• a plurality of transmission structures, wherein the plurality of transmission structures are movably connected to both the fixed seat and the movable seat, and the plurality of transmission structures are arranged at intervals in a circumferential direction of the transmission rod;
• and
• a plurality of fingers, connected to the plurality of transmission structures in a one-to-one correspondence;
• wherein the transmission rod is configured to move to drive the movable seat to move in the axial direction of the transmission rod, the movable seat is configured to drive the plurality of transmission structures to move synchronously, and the plurality of transmission structures are configured to drive the plurality of fingers to move synchronously in a radial direction of the transmission rod;
• and the fixed seat is connected to the robotic arm, and the robotic arm is configured to drive the gripper to move.

An experimental device, comprising a manipulator, wherein the manipulator comprises a robotic arm and a gripper, and the gripper comprises:

• a fixed seat;
• a transmission rod, movably connected to the fixed seat;
• a movable seat, connected to the transmission rod and movable relative to the fixed seat in an axial direction of the transmission rod;
• a plurality of transmission structures, wherein the plurality of transmission structures are movably connected to both the fixed seat and the movable seat, and the plurality of transmission structures are arranged at intervals in a circumferential direction of the transmission rod;
• and
• a plurality of fingers, connected to the plurality of transmission structures in a one-to-one correspondence;
• wherein the transmission rod is configured to move to drive the movable seat to move in the axial direction of the transmission rod, the movable seat is configured to drive the plurality of transmission structures to move synchronously, and the plurality of transmission structures are configured to drive the plurality of fingers to move synchronously in a radial direction of the transmission rod;
• and the fixed seat is connected to the robotic arm, and the robotic arm is configured to drive the gripper to move.