The invention discloses a novel rigid-collision-free spacer for a power transmission line. The novel rigid-collision-free spacer comprises a spacer framework, rotational joints and connecting wire clamps, wherein the connecting wire clamps are rotationally connected with the spacer framework through the corresponding rotational joints; each rotational joint is provided with a rotational joint rubber cushion; two limiting apparatuses are arranged on the upper surface of each rotational joint rubber cushion; each limiting apparatus comprises two rubber cushion lug bosses; a groove is formed between the two rubber cushion lug bosses on the same limiting apparatus; the shapes on one sides, close to rotational joint rubber cushion mounting holes, of the rubber cushion lug bosses are matched with those of the corresponding connecting wire clamps; each connecting wire clamp comprises a wire clamp body and a wire clamp head; the width of the tail part of the wire clamp body is smaller than that of the wire clamp body; and circular arc smooth transition is formed from the wire clamp body to the tail part. The spacer can be higher in mechanical bearing capability in a process of dramatic swinging and twisting of a divided conductor, so that the phenomena of tearing and deformation of the wire clamp body tail part can be avoided; and the anti-swinging performance of the spacer can be improved.