TORQUE SENSOR AND FORCE CONTROL TYPE ACTUATOR

• Main Author: MIYAZAWA KIYOKAZU
• Format: Patent
• Language: English; Japanese
• Published: 16.11.2017
• Subjects: CHAMBERS PROVIDED WITH MANIPULATION DEVICES; HAND TOOLS; MANIPULATORS; MEASURING; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; PERFORMING OPERATIONS; PHYSICS; PORTABLE POWER-DRIVEN TOOLS; TESTING; TRANSPORTING

PROBLEM TO BE SOLVED: To propose a torque sensor which is reduced in size and with which it is possible to detect torque with high accuracy, and a force control type actuator.SOLUTION: The torque sensor comprises: a first rotor capable of rotating around an input shaft; a second rotor capable of rotating around an output shaft; a strain part provided extending over the first rotor and the second rotor and having a first surface facing one side of a first direction parallel to the input shaft and a second surface facing the other side of the first direction, the strain part transmitting rotating torque while causing strain to occur between the first rotor and the second rotor; and a plurality of strain detection parts each provided on the first surface and the second surface, for detecting strain in the strain part.SELECTED DRAWING: Figure 3 【課題】小型化され、かつ、トルクを精度よく検出可能なトルクセンサ及び力制御型アクチュエータを提案する。【解決手段】トルクセンサは、入力軸の回りに軸回転可能な第１の回転体と、出力軸の回りに軸回転可能な第２の回転体と、第１の回転体と第２の回転体とに渡って設けられ、入力軸に平行な第１の方向の一方側を向く第１の面、及び、第１の方向の他方側を向く第２の面を有し、第１の回転体及び第２の回転体の間で歪みを生じながら回転トルクを伝達する起歪部と、第１の面及び第２の面にそれぞれ設けられて起歪部の歪みを検出する複数の歪検出部と、を備える。【選択図】図３