The invention discloses an elevator and belongs to the field of transport machinery. The elevator is characterized in that the elevator comprises a rope roller, pulleys and lifting tools; two sectionsof ropes are wound around the rope roller, and each rope is provided with the corresponding lifting tool; the rope roller comprises a winding drum, the ropes, a base and a gearbox; the gearbox is located at one end of the winding drum and comprises a box cover, an inner gear, one of side plates of the winding drum and an internal structure of the side plate, and the interior of the gearbox comprises a gear, a connecting rod, a rocking rod, a fixed plate and an arc-shaped plate; the inner gear is fixedly connected to the outer side face of the side plate located at the gearbox; and the gearboxis internally provided with an accelerating gear set and a decelerating gear set, a second gear of the accelerating gear set is connected with the rocking rod through a sliding block, the decelerating gear set is connected with the arc-shaped plate, and the arc-shaped plate is connected with the sliding block through a sleeve and a pushing rod. Compared with the prior art, the elevator has the characteristics of low energy consumption and high efficiency.