Welding residual thermal stress analogue means

The utility model discloses a welding residual thermal stress analogue means, including manual sample stretching device and sample heating device, manual sample stretching device includes handle bar,spiral shell rasp bar and support, has set gradually sliding block, connecting block, force sensor, first sample anchor clamps and second sample anchor clamps in the support from top to bottom, formsthe sample installation district that is used for installing the sample between first sample anchor clamps and the second sample anchor clamps, and the sample heating device is installed at the inboard of support and is used for sample heating. The utility model discloses simple structure uses convenient operation, can quick replacement clamping sample, and the device can exert load and temperature load to the sample simultaneously, and can more real simulation welding process. 本实用新型公开了种焊接残余热应力模拟装置，包括手动试样拉伸装置和试样加热装置，所述手动试样拉伸装置包括手柄杆、螺纹杆和支座，支座内由上至下依次设置有滑动块、连接块、拉力传感器、第试样夹具和第二试样夹具，第试样夹具与第二试样夹具之间形成用于安装试样的试样安装区，试样加热装置安装在支座的内