发明名称 |
Wire rope flaw detector for elevator |
摘要 |
A flaw detection apparatus for a wire rope of an elevator according to the present invention, which is intended for a wire rope having a nominal diameter of 4 mm to 8 mm, includes a plurality of unit probes 9. Each of the unit probes 9 has a first and a second magnetic poles 10 a and 10 b of different polarity, and a magnetic sensor 11 of a U-shape disposed between the first magnetic pole 10 a and the second magnetic pole 10 b. A bottom radius of the magnetic sensor 11 is in a range of 2 mm to 5 mm. A difference between the bottom radius of the magnetic sensor 11 and a half of the nominal diameter of a wire rope 1 is equal to or less than 1.5 mm.
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申请公布号 |
US2007090834(A1) |
申请公布日期 |
2007.04.26 |
申请号 |
US20040579796 |
申请日期 |
2004.11.19 |
申请人 |
TOSHIBA ELEVATOR KABUSHIKI KAISHA |
发明人 |
OSADA AKIRA;OKAMOTO MASAKATSU |
分类号 |
G01N27/82;B66B5/12;B66B7/12;G01N27/83 |
主分类号 |
G01N27/82 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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