Resistance-free balance type ripple compensator with external pressure type ripple compensation

The resistance-free balance type ripple compensator comprises a ripple compensator body and a flange plate abutting against the input end of the ripple compensator body, the end, far away from the ripple compensator body, of the flange plate communicates with an external pipe body, and a supporting block is welded to the outer wall of the input end of the ripple compensator body; a clamping assembly is arranged in the supporting block in a sliding and penetrating mode. Each clamping assembly comprises a supporting rod arranged in the supporting block in a penetrating mode, an arc-shaped plate is welded to the end, close to the flange plate, of the supporting rod, a buffering piece is welded to the top face of the arc-shaped plate, the top end of the buffering piece abuts against the outer wall of the external pipe body, a limiting block is welded to the end, far away from the arc-shaped plate, of the supporting rod, and the outer wall of the supporting rod is sleeved with a spring. The spring is located betwe