公开(公告)号：US20160299019A1

公开(公告)日：2016-10-13

申请号：US15100838

申请日：2014-12-02

Applicant: SNECMA

Inventor： Augustin CURLIER ,  Gilles LA GOUELLEC ,  Alexis KUNAKOVITCH

IPC: G01L3/10 ,  G01L25/00

CPC classification number: G01L3/104 ,  G01L1/165 ,  G01L3/102 ,  G01L25/003

Abstract: The present invention relates to a torque-measurement device for a turbine engine shaft (1) including a proof body (7) capable of being mounted on the shaft, characterised in that the proof body (7) forms a mounting for at least one acoustic-wave strain gauge (20) and is magnetised such as to allow the torque to be measured by magnetostrictive effect. The invention also relates to a method for calibrating the torque-measurement system including a first step of calibrating said device, the device being mounted on a shaft but outside of the engine, by applying reference torques to the shaft with the device and by establishing a rule regarding the relationship between the strain measured by said strain gauge and the actual torque applied, a step of mounting the shaft with the device inside the turbine engine together with placement of the magnetostrictive measurement system, the calibration of the first step being optionally reset with the engine stopped, and a step of establishing a calibration rule regarding the relationship between the torque measured by magnetostrictive effect and the reference torque provided by the strain gauges.

Abstract translation: 本发明涉及一种用于涡轮发动机轴（1）的转矩测量装置，其包括能够安装在轴上的检验体（7），其特征在于，所述检验体（7）形成用于至少一个声学 波应变仪（20），并被磁化，以允许通过磁致伸缩效应来测量转矩。 本发明还涉及一种用于校准扭矩测量系统的方法，该方法包括：校准所述装置的第一步骤，所述装置安装在轴上且在发动机外部，通过使用所述装置将参考扭矩施加到所述轴上，并且通过建立 关于由所述应变仪测量的应变与所施加的实际扭矩之间的关系的规则，将所述轴与所述装置一起安装在所述涡轮发动机内部以及所述磁致伸缩测量系统的放置的步骤，所述第一步骤的校准可选地重置为 发动机停止，并且建立关于由磁致伸缩效应测量的扭矩与由应变计提供的参考扭矩之间的关系的校准规则的步骤。