| 发明名称 |
Inner Diameter Measuring Device |
| 摘要 |
An inner diameter measuring device (50) for measuring an inner diameter of a hollow object to be measured, wherein the inner diameter measuring device comprises a circulation unit (1) and a measuring head (2) and is insertable into inside of an object to be measured, wherein the measuring head has a contact measuring unit (27) for measuring the inner diameter by contacting an inner surface of the object to be measured and an advancing/retreating unit (23) for making the contact measuring unit to advance and to retreat in a radial direction, and wherein the circulation unit can rotate the measuring head around a center line (51) of the inner diameter measuring device. |
| 申请公布号 |
US2015007440(A1) |
申请公布日期 |
2015.01.08 |
| 申请号 |
US201314377227 |
申请日期 |
2013.02.07 |
| 申请人 |
IHI Corporation |
发明人 |
Baba Michiko;Hasegawa Kouzou;Miura Yuuichi;Taga Norimasa;Fujii Tooru |
| 分类号 |
G01B5/12 |
主分类号 |
G01B5/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An inner diameter measuring device for measuring an inner diameter of a hollow object to be measured, wherein said inner diameter measuring device comprises a circulation unit and a measuring head and is insertable into inside of an object to be measured, wherein said measuring head has a contact measuring unit for measuring the inner diameter by contacting an inner surface of the object to be measured and an advancing/retreating unit for making said contact measuring unit to advance and to retreat in a radial direction, and wherein said circulation unit can rotate said measuring head around a center line of said inner diameter measuring device. |
| 地址 |
Koto-ku, Tokyo JP |
