Prestressed ultralow-temperature cycle test experimental device
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 corrugat...
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Main Authors | , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
16.12.2022
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Subjects | |
Online Access | Get full text |
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Summary: | 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 |
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Bibliography: | Application Number: CN202211280939 |