Double-deck elevator facility

Abstract

The invention provides a double-deck elevator car facility, which can effectively detect anomalies in ropes for driving an upper car and a lower car without any specially-equipped device. The double-deck elevator car facility comprises a plurality of sockets (16) for accommodating and fixing the end parts of ropes (153) for driving the upper car and the lower car, a plurality of rod members (18) connected with the sockets (16), a hanger plate (19) where the rod members can traverse, a plurality of nuts (20a,20b) screwed with the rod members (18) and a plurality of springs (21) equipped between the nuts and the hanger plate. The upper part of the nuts is provided with a check-out console (23) capable of moving vertically and a switch (24) for checking the displacement of the check-out console. When an anomaly occurs on the ropes, the springs are stretched and push the check-out console upwards through the nuts. The switch is then operated for noticing the anomaly of the ropes.

Description

technical field [0001] The invention relates to a double-deck elevator installation with two elevator cars, one upper and the lower, inside the elevator car frame. Background technique [0002] A double-deck elevator with two elevator cars up and down in the elevator car frame is constructed such that a drive unit is arranged on the upper part of the upper car, and a car arranged below the upper car connected to the drive unit by a sling A rope is wound around the pulley and the pulley below the car of the lower car, and the upper car and the lower car are driven by the drive unit. [0003] As an existing detection device for detecting abnormalities in the driving ropes of the upper car and the lower car used in the double-deck elevator having the above-mentioned structure, for example, a scheme is disclosed in Patent Document 1, which is installed under the elevator car. A detection roller contacting the rope is provided, and when the rope is abnormally slack or cut, the d...

AI Technical Summary

Problems solved by technology

Therefore, there is also a situation where the elevator continues to run in the state where the rope has an abnormality, which will cause a serious situation. Problems with assignments that take a lot of time

[0008] In addition, in the scheme disclosed in the above-mentioned Patent Document 2, in principle, even if only one of the plurality of ropes is cut, the rope cutting abnormality can be detected, but the cutting position of the rope is farther than the abnormality detection position in terms of distance. , and if the weight of the rope on the opposite side across the winch is heavier, the end of the rope may not fall off, and the abnormality of rope cutting may not be detected.

[0009] Also, in the solution disclosed in the above-mentioned Patent Document 3, since it is necessary to install a detection switch at the end of each rope, there is a problem that the number of parts increases and the circuit structure becomes complicated.

Images