The invention discloses a vertical guide elevator speed limiter tensioning device. The tensioning device comprises a guide assembly (6), wherein the lower end of the guide assembly is fixed on the ground of a hoistway bottom pit through an expansion bolt (7); the upper end of the guide assembly (6) is provided with a limiting rod (2), and is fixed on a counterweight guide rail through a rotary connecting piece (1); the guide assembly (6) is provided with a counterweight (3) which can move vertically on the guide assembly (6); a rope wheel support part (5) is fixed below the counterweight (3); a tensioning wheel (4) is arranged on the rope wheel support part (5). The vertical guide elevator speed limiter tensioning device is adjustable in mounting angle, and runs safely and reliably.