Thrust measurement device of attitude control engine

• Main Authors: ZHOU XIANQI, DANG DONG, XU ZAOLIN, BU XUEXING, LI LINYONG, ZHANG LINA, ZHAO FEI, HE XIAOJUN, ZHANG JIANMING, DU JIANHONG, LI MINMIN, LI LIANG
• Format: Patent
• Language: Chinese; English
• Published: 03.04.2018
• Subjects: MEASURING; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; PHYSICS; TESTING

In order to solve a current technical problem that the steady state thrust characteristics measurement and the dynamic state thrust characteristics measurement cannot be simultaneously realized, the invention provides a thrust measurement device of an attitude control engine. The thrust measurement device of the attitude control engine comprises a fixing frame, a sensor component formed by a strain sensor and a piezoelectric sensor which are coaxially installed, a switching component, a charge amplifier, a cylinder control system, a collecting system and a data processing system, wherein the switching component comprises a switching cylinder, a switching ring and a sensor pull rod which are successively connected. One end of the switching ring is connected with a cylinder pull rod of the switching cylinder, and the other end of the switching ring is moveably sheathed with one end of the sensor pull rod. The other end of the sensor pull rod is in the threaded connection with a central column of the strain sens