A rope, a system and a method for measuring one or more properties of a rope. A property evaluation system for ropes can be deployed for a number of different applications including, but not limited to, moving lines, e.g., crane or winch and static lines, e.g., mooring lines, stays, etc., to evaluate physical properties of the ropes and, in some cases, to help evaluate structural health of the ropes. A sheave assembly (10) may transmit a signal into a rope (14) to measure at least one property of the rope. At least one sensor (25) may be coupled to or assembled in the rope to measure at least one property of the rope.

Elevator components can be equipped with an electronic information plate. The electronic information plates are associated with a particular electronic information plate that can store different properties of the associated component. The content of each electronic information plate is read manually or automatically and transmitted to a controller. The controller analyzes the received content and launches a predetermined action if the content indicates a need for maintenance.

Elevator components can be equipped with an electronic information plate. The electronic information plate are associated with a particular electronic information plate that can store different properties of the associated component. The content of each electronic information plate is read manually or automatically and transmitted to a controller. The controller analyzes the received content and launches a predetermined action if the content indicates a possible mistake or a fraud.

A system to monitor and analyze a multi-strand rope includes a rope data sensor to collect data regarding the physical state of the rope; one or more usage sensors to collect data regarding the usage of the rope; a position measurement device to measure the position of the rope; and a computer system connected to the rope data sensor, the one or more usage sensors and the position measurement device to correlate the collected data and position measurement to give real-time data on the status of the rope at one or more sections.

A method and an apparatus for automatic condition checking of an elevator are provided, wherein an elevator car of the elevator is situated in a door zone of a first landing in an elevator shaft following an earthquake. The method includes determining whether the load carried by hoisting ropes is evenly distributed between the hoisting ropes by checking the status or measurement data of at least one rope tension measurement device. The test unit determines whether the elevator car is empty and conducts a drive test for the elevator car in order to determine unimpeded access for the elevator car to other landings. The elevator is returned to normal use, if the drive test indicates unimpeded access for the elevator car to the other landings.

An elevator end termination for an elevator belt includes a wedge housing, a segmented wedge disposed axially within the wedge housing. The segmented wedge includes at least two wedge members spaced apart from one another to define a space therebetween. At least one pressure sensor is disposed in the space defined between the at least two wedge members. The at least one pressure sensor registers compressive pressure exerted between the at least two wedge members. The at least two wedge members may include a pair of adjacent longitudinally-extending wedge members, and a wedge crown adjacent a first end of each of the longitudinally-extending wedge members and separated therefrom by a transversely-extending space. The space is a longitudinal slot between the adjacent wedge members.

In a rope damage diagnostic testing apparatus, an ultrasound applicator generates ultrasonic waves in a wire rope by making the wire rope vibrate due to magnetostriction effect. A detecting element detects changes in a state of propagation of the ultrasonic waves in the wire rope. An excitation coil and the detecting element are disposed in a parallelogram that has as a first opposite side length a length of a portion of the wire rope in which one of the outer layer strands makes one revolution around the wire rope, and that has as a second opposite side length a product of a diameter and number of the outer layer wires that are included in one of the outer layer strands.

An object of the invention is to provide a vibration damping system that can avoid the occurrence of resonance of an elevator rope regardless of the vibration frequency of a vibration source. A vibration damping system (200) includes a displacement amplifier (7), a calculation unit (66), and a displacement amplification control unit (67). The displacement amplifier (7) is arranged along a given position in the longitudinal direction of the elevator rope. The displacement amplifier (7) amplifies a displacement due to vibration of the elevator rope based on a variable amplification factor. The calculation unit (66) calculates the natural frequency of the elevator rope. The displacement amplification control unit (67) controls the displacement amplification of the displacement amplifier (7) based on the natural frequency calculated by the calculation unit (66) and a preset vibration frequency.

Provided is a wire rope flaw detector, which is capable of improving detection accuracy for a wire rope breakage by keeping an interval between a wire rope to be subjected to a measurement and an adjacent wire rope. The wire rope flaw detector includes: a magnetizer, which is configured to form a main magnetic path in a predetermined set interval of a wire rope in an axial direction of the wire rope; a detection coil, which is arranged in the predetermined set interval so as to be magnetically insulated from the magnetizer and is configured to detect a leakage magnetic flux generated by a damage portion of the wire rope; and position restricting mechanisms, which are configured to keep an interval between the wire rope passing through the detection coil and a wire rope adjacent to the wire rope passing through the detection coil.

A supporting belt for an elevator installation has at least one elongate load-bearing element, a casing surrounding the load-bearing element and multiple sensors. The sensors are arranged on the belt at multiple positions spaced apart from one another along a longitudinal direction of the belt. The sensors each determine at least one physical characteristic of the load-bearing element in a region locally adjacent to the respective sensor and output a signal indicating the physical characteristic. For example, a sensor may determine a local expansion, a local bending, a local acceleration, a locally acting force, a local temperature and/or an electrical conductivity at, in or through the belt. The state of the belt can thereby be determined not only as an average for the entire belt but with regard to multiple positions along the length of the belt, enabling an improved determination regarding discard criteria of the belt.