A controllable temperature body variable survey inner room for geotechnological triaxial apparatus

The utility model relates to a controllable temperature body variable survey inner room for geotechnological triaxial apparatus, including inside spiral coil, outside spiral coil, tee bend clamping sleeve joint, quick connector, temperature sensor, the hollow cylinder in upper portion and set up the hollow cylinder in upper portion bottom and with the hollow cylinder threaded connection's in upperportion lower part ring, inside spiral coil and outside spiral coil spiral winding respectively set up on the inner wall and outer wall of the hollow cylinder in upper portion, tee bend clamping sleeve joint sets up at the top of the hollow cylinder in upper portion and is linked together with inside spiral coil and outside spiral coil respectively, quick connector sets up the side at the hollowcylinder in upper portion, temperature sensor is two and sets up middle part and the bottom at the hollow cylinder in upper portion respectively. The utility model discloses be convenient for in popularization between the geotechnological triaxial apparatus of different models or structure, can realize freely switching between general geotechnological triaxial test and control by temperature change geotechnique triaxial test and can accurate test sample volume change volume under the temperature variable load condition.