Parallel robot and linear parallel mechanism

The invention provides a linear parallel mechanism which comprises a fixed platform, a movable platform and a plurality of connection rod sets. The connection rod sets connect the fixed platform and the movable platform and drive the movable platform. One of the connection rod sets comprises linear transmission elements and actuating connection rods, and the actuating connection rods are driven by the linear transmission elements so that the movable platform can move relative to the fixed platform. By means of the linear parallel mechanism, the problem of error accumulation of a traditional serial robot mechanism is solved, the problem of the kinematic error of a conventional parallel robot mechanism is solved as well, the work range of a robot can be expanded, and the work stability of the robot can be enhanced.