Early-age cement-based material self-constriction test piece box body with adjustable internal pressure

The utility model discloses an early-age cement-based material self-constriction test piece box body with adjustable internal pressure, and particularly relates to the technical field of cement-based material test equipment, the early-age cement-based material self-constriction test piece box body comprises a main machine box body and a test piece box body arranged on one side of the main machine box body, the main machine box body and the test piece box body are integrally formed, a controller is arranged in the main machine box body, and the main machine box body is connected with the test piece box body. A gas-liquid booster pump is arranged in the test piece box body, the gas-liquid booster pump adjusts the internal pressure range of the test piece box body to be 0.1 MPa-0. 5MPa, a touch display screen is arranged at the front end of the main machine box body, the touch display screen is connected with a controller, and an upper exhaust radiator is fixedly arranged at the top end of the main machine box b