发明名称 |
Inner Diameter Measuring Device |
摘要 |
An inner diameter measuring device, comprising an image pickup unit (2) provided at a base end of a frame unit (6) and for picking up an image of a forward end side, a centering unit (4) provided at a forward end of the frame unit, a laser beam diffusing unit (5) provided on the centering unit and at a forward end side of the centering unit via a light transmitting window, a laser beam emitting unit (3) provided on a base end side of the centering unit, and a cone mirror (51) provided on the laser beam diffusing unit and having a conical reflection surface at a forward end, wherein a center line of the cone mirror coincides with an optical axis of the image pickup unit, and the centering unit is adapted to adjust a posture of the image pickup unit so that a laser beam (17) projected from the laser beam emitting unit enters a vertex of the cone mirror. |
申请公布号 |
US2015015873(A1) |
申请公布日期 |
2015.01.15 |
申请号 |
US201314377238 |
申请日期 |
2013.02.07 |
申请人 |
IHI Corporation |
发明人 |
Baba Michiko;Hasegawa Kouzou;Fujimura Kiyofumi;Hayashi Toshihiro;Taga Norimasa |
分类号 |
G01B11/12;G01B11/24;G01B11/27 |
主分类号 |
G01B11/12 |
代理机构 |
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代理人 |
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主权项 |
1. An inner diameter measuring device, comprising an image pickup unit provided at a base end of a frame unit and for picking up an image of a forward end side, a centering unit provided at a forward end of said frame unit, a laser beam diffusing unit provided on said centering unit and at a forward end side of said centering unit via a light transmitting window, a laser beam emitting unit provided on a base end side of said centering unit, and a cone mirror provided on said laser beam diffusing unit and having a conical reflection surface at a forward end, wherein a center line of said cone mirror coincides with an optical axis of said image pickup unit, and said centering unit is adapted to adjust a posture of said image pickup unit so that a laser beam projected from said laser beam emitting unit enters a vertex of said cone mirror. |
地址 |
Koto-ku, Tokyo JP |