Thermal insulation pipe vacuum detection device

The utility model discloses a thermal insulation pipe vacuum detection device, which relates to the technical field of thermal insulation pipe vacuum detection and comprises a control box, a heating mechanism and an inserting mechanism. A bottom plate is arranged on the upper surface of the control box; the plug-in mounting mechanism comprises a first sliding table, a first sliding table nut seat connecting plate, a first sliding table nut seat, a micropositioner mounting plate, a micropositioner, a workpiece V-shaped groove, a heat preservation pipe positioning block and a thermocouple follow-up support, the first sliding table is arranged on one side of the upper surface of the bottom plate, and the first sliding table comprises a motor and a guide rail; according to the utility model, vacuum measurement is carried out by utilizing the heat conduction principle, the vacuum degree is quantitatively measured by measuring the temperature difference between the heat source and the thermocouple probe, the heat c