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Remote monitoring system for wire rope

A remote monitoring and steel cable technology, applied in the direction of material magnetic variables, etc., can solve problems such as difficulties, no judgment reference, easy to miss abnormal thickness, etc., achieve low cost and improve accuracy

Inactive Publication Date: 2012-05-30
TOKYO ROPE MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] However, when using this magnetic flux leakage flaw detection device, the data is only output to an analog recorder, etc., and there are problems such as that it is difficult to determine the abnormal point of the rope based on the abnormal point on the data, and there is no judgment standard, and it is easy to miss. out of the ordinary

Method used

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  • Remote monitoring system for wire rope
  • Remote monitoring system for wire rope
  • Remote monitoring system for wire rope

Examples

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Embodiment 1

[0055]Embodiments of the present invention will be described below with reference to the drawings.

[0056] figure 1 with figure 2 Shows an example of applying the present invention to ships on the sea, for example, remote monitoring of rope deterioration in a crane ship. 1 is a crane installed on a ship A, 2 is a steel cable used for the crane 1, and 3 is a wire rope installed on a steel The suitable location for the moving path of the cable 2 is in the vicinity of the top of the pole in this example, but it is not limited thereto.

[0057] 4 is a control panel arranged near the measuring device 3, and is equipped with a controller 4a and a wireless LAN device 4b for data transmission. 5 is a wireless LAN antenna, 6 is a 1st monitoring device, and it is equipped in the monitoring room B on board.

[0058] 7 is a second monitoring device installed in a remote place, such as a monitoring station C in Japan, and 8 is a transmission antenna installed on a ship, including an a...

Embodiment 2

[0097] In the present invention, "the measurement of the rope" is not limited to the case of detection of broken wires. Measurement content (: measurement unit) other than wire breakage, such as corrosion detection: total magnetic flux method, cable diameter reduction: outer diameter measuring device, deformation detection: pitch detector, position detection: rotary encoder, tension Measurement: load cell, extension measurement: displacement meter, speed measurement: accelerometer, rotation number encoder, vibration measurement: accelerometer, etc.

[0098] Figure 22 Show the second embodiment of the monitoring system of the present invention, in addition to detecting the leakage magnetic flux at the above-mentioned rope detector 3 as the measuring unit, also take out the total magnetic flux data, and arrange the outer diameter measuring device 9 on the rope path to measure the rope diameter successively, Measure the position, tension, etc. at the pulley, perform A / D convers...

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Abstract

Provided is a remote monitoring system for a wire rope, capable of accurately, objectively, and continuously monitoring the wire rope used as a running rope in an important facility and in a facility where damage to the rope can cause a serious accident. The remote monitoring system has means for measuring conditions of the wire rope; a first monitoring device for recording / displaying and storingmeasurement data outputted by the measurement means, determining the presence of an abnormality based on the relationship between the data obtained by processing the measurement data and the stored data, and issuing an alarm when there is an abnormality; and a second monitoring device at a remote place, connected to the first monitoring device via communication means, communicating data with the first monitoring device, re-checking data of determination means upon receiving the alarm, performing final determination, and informing the first monitoring device of the result.

Description

technical field [0001] The present invention relates to a system for remotely monitoring the deterioration and abnormality of a wirerope used as a running cable. Background technique [0002] In addition to being used as a standing cable, steel cables are also widely used as movable rigging for various equipment or devices, but since there is a high possibility of serious damage in the event of a cutting accident, in terms of safety measures, When deterioration (including abnormality, hereinafter the same) occurs, it is very important to immediately take measures such as replacement. [0003] Especially in important equipment that does not allow sudden stops, or in equipment where maintenance of safety is the highest priority, such as steel cables used in crane ships, pouring cranes in steel factories, ropeways, and side dump hopper cars. powerful. [0004] In order to find out the deterioration of such steel cables, regular inspections are required, but since the inspecti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/83
CPCG01N27/83G01N27/72
Inventor 守谷敏之
Owner TOKYO ROPE MFG
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