LOAD MEASUREMENT UNIT AND LOAD MEASUREMENT METHOD

To measure an axial load applied to a support while permitting axial movement of a body to be supported.SOLUTION: A load measurement unit includes: a support 41 in which a fitting hole 42 is formed; and a sensor unit 50 disposed in a body recess 43 formed on an inner peripheral surface of the fitting hole 42. The sensor unit 50 includes: a first sensor 54 facing a radial direction of the fitting hole 42; a second sensor 55 facing a circumferential direction of the fitting hole 42; a holder 51 fitted to the body recess 43; and a pedestal part 52 disposed in a pedestal recess 57 formed in the holder 51. The pedestal recess 57 includes a bottom face part facing the radial direction of the fitting hole 42 and a side face part facing the circumferential direction of the fitting hole 42. The pedestal part 52 includes a bottom face part facing the radial direction of the fitting hole 42 and a side face part facing the circumferential direction of the fitting hole 42. The first sensor 54 is disposed between a bottom face part of the pedestal recess 57 and a bottom face part of the pedestal part 52. The second sensor 55 is disposed between a side face part of the pedestal recess 57 and a side face part of the pedestal part 52.SELECTED DRAWING: Figure 3 【課題】被支持体の軸方向への移動を許容しつつ、支持体に負荷されるアキシャル荷重を測定する。【解決手段】嵌合孔４２が形成された支持体４１と、嵌合孔４２の内周面に形成された本体凹部４３内に配置されたセンサユニット５０とを備えており、センサユニット５０は、嵌合孔４２の径方向を向く第１のセンサ５４と、嵌合孔４２の周方向を向く第２のセンサ５５と、本体凹部４３に嵌合されたホルダ５１と、ホルダ５１に形成された台座凹部５７内に配置された台座部５２とを備えており、台座凹部５７は、嵌合孔４２の径方向を向く底面部と嵌合孔４２の周方向を向く側面部とを備えており、台座部５２は、嵌合孔４２の径方向を向く底面部と嵌合孔４２の周方向を向く側面部とを備えており、第１のセンサ５４は、台座凹部５７の底面部と台座部５２の底面部との間に配置され、第２のセンサ５５は、台座凹部５７の側面部と台座部５２の側面部との間に配置されている。【選択図】図３