Prestressed ultralow-temperature cycle test experimental device

• Main Authors: LUO KAIJUN, LIANG ZHISONG, ZHOU SHUNLONG, LIN XIPENG, WANG LIANG, CHEN HAISHENG
• Format: Patent
• Language: Chinese; English
• Published: 16.12.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a prestress type ultralow temperature cycle test experimental device, a prestress applying device is installed between a guide rod (18) and a sample cylinder (11), the prestress applying device is composed of an upper pre-tightening plate (16), a force sensor (15), a corrugated pipe (14), a support rod (13) and a sample cover plate (12) which are connected in sequence, the sample cylinder (11) is connected with the upper pre-tightening plate (16), and the force sensor (15) is connected with the corrugated pipe (14). A programming control stepping motor (4) is arranged at the upper end of a guide rod (18) in a sleeving mode, the bottom of the guide rod (18) is fixed to an upper pre-tightening plate (16), a low-temperature heat insulation storage tank (1) is connected with a self-pressurization low-temperature heat insulation storage tank (6) through a liquid supplementing pipe 7 of a low-temperature valve (8) with an automatic control function, and a movable heat insulation partition pl