JPS6342678U - - Google Patents

Description

[Brief explanation of the drawing]

Figures 1 to 4 are diagrams showing one embodiment of the elevator abnormality detection device according to this invention, in which Figure 1 is a longitudinal sectional view of the hoistway, Figure 2 is a sectional view taken along the line - in Figure 1, and Figure 3 is a vertical sectional view of the elevator shaft. The figures are a cross-sectional view taken along the line -- in Fig. 1, Fig. 4 is an electric circuit diagram, Figs. 6
The figure is a cross-sectional view taken along the line - - of Fig. 5, Fig. 7 is a cross-sectional view taken along the line - - of Fig. 5, and Figs. 8 and 9 also show other embodiments of this invention. Figure -
Fig. 9 is a cross-sectional view taken along the line - of Fig. 8, Fig. 10 and Fig. 11 are diagrams showing a conventional elevator abnormality detection device, Fig. 10 is a vertical sectional view of the hoistway, and Fig. The figure is a sectional view taken along the line -- in FIG. In the figure, 1 is a hoistway, 3 is a lifting body (balance weight), 6 is an electric conductor, 12 to 15 are contact bodies, and 20 is an abnormality detection relay. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Scope of utility model registration request] An electric conductor is stretched along the hoistway, and a contact body that normally surrounds the electric conductor across an air is provided on the elevator moving up and down the hoistway, and when the contact body comes into contact with the electric conductor. An abnormality detection device for an elevator, characterized in that one electrical conductor is provided and a plurality of contact members are arranged along the electrical conductor.