SU484177A1 - Wave differential spire - Google Patents

Description

one

The invention relates to the field of lifting devices and can be used as a winch or cable transmission with a large gear ratio.

Differential spiers are known, containing, on the basis of, two driving drums, Vras, Ayush, synchronously and rewinding, and their cargo rope wound on them.

However, when using well-known spiers in the case of rotation, from an electric motor, in order to obtain a large pulling force on the load line, a reduction gearbox is necessary, and in the case of manual rotation, a very long handle is required.

The purpose of the invention is to increase the traction force of the steeples.

This goal is achieved by the fact that one of the drums is fixedly mounted on the base and made with slots along the generators, while the other drum is made in the form of a toothed disk, eccentrically mounted inside the fixed drum and interacting through the slots with the cargo cable.

FIG. 1 shows the proposed wave differential spire, general view; in fig. 2 - the same, top view; in fig. 3 - the same cross section.

The movable drum 1 is made in the form of a gear disk and eccentrically mounted

inside the fixed drum 2, made together with the base and the slits along the guides. In the cheeks of the stationary drum 2, the axis of the eccentric 3 rotates;

with the handle 4. The movable drum 1 through the slots interacts with the cargo rope 5.

When rotating with the help of the handle 4, the eccentric 3 rotates in the movable drum 1, causes its center to move around a circle defined by the eccentricity of the eccentric 3, and since the movable drum 1 cannot rotate due to its serrated projections in the recess of the stationary drum 2, and it can only move parallel to itself, each point of the movable drum 1 moves in the same circumference along which its center moves.

When moving the movable drum 1, its teeth, sequentially entering into the slots of the stationary drum 2, act on the turns of the rope 5 (lift and transfer them). This results in a wave

transfer, where the coils of the rope 5 are used as a flexible element, forming a flexible ring deformable by the movable drum 1, which rolls around the stationary drum 2, and the rope 5 is hovering.