| 发明名称 | Inner diameter measuring device | ||
| 摘要 | An inner diameter measuring device (4) for measuring an inner diameter by inserting an inner diameter measuring unit into an inside of a hollow member to be measured, comprises a supporting shaft (18) having the inner diameter measuring unit supported at a forward end, and a supporting mechanism unit (30) for cantilever-supporting the supporting shaft, wherein the supporting mechanism unit has a frame (31), a spherical bearing (33) and a deflection adjusting unit (35), wherein the shaft is supported by the frame via the spherical bearing, an end portion (32) of the supporting shaft is passed through the spherical bearing and is extended, and a position of an end of the end portion in vertical direction is adjusted by the deflection adjusting unit. | ||
| 申请公布号 | US9429409(B2) | 申请公布日期 | 2016.08.30 |
| 申请号 | US201314377226 | 申请日期 | 2013.02.07 |
| 申请人 | IHI Corporation | 发明人 | Baba Michiko;Hasegawa Kouzou;Taga Norimasa |
| 分类号 | G01B5/12;G01B3/50;G01B21/14;G01B11/12 | 主分类号 | G01B5/12 |
| 代理机构 | Nields, Lemack & Frame, LLC | 代理人 | Nields, Lemack & Frame, LLC |
| 主权项 | 1. An inner diameter measuring device for measuring an inner diameter by inserting an inner diameter measuring unit into an inside of a hollow member to be measured, comprising a supporting shaft having said inner diameter measuring unit supported at a forward end, and a supporting mechanism unit for cantilever-supporting said supporting shaft, wherein said supporting mechanism unit has a frame, a spherical bearing and a deflection adjusting unit, wherein said shaft is supported by said frame via said spherical bearing, an end portion of said supporting shaft is passed through said spherical bearing and is extended, a rotating angle of an end of said end portion in vertical direction is adjusted by said deflection adjusting unit, and a position of said inner diameter measuring unit in vertical direction is adjusted. | ||
| 地址 | Tokyo JP | ||