Compression creep test instrument

The utility model relates to a compression creep test instrument. The test instrument is mainly used for the compression creep test of hard polyurethane foam plastic, and is characterized by comprising a high temperature tank (1) and three compression creep tester (2), wherein each compression creep tester (2) comprises a sample holder (3), an upright post (4), a clamp (5), a displacement sensor (6), a scale pan (7), a guide pillar (8) and a press head (9); the sample holder (3) is composed of a base (3.1), a brace (3.2) and a support plate (3.3), the support plate (3.3) and the base (3.1) are arranged up and down and connected with each other through the brace (3.2); the upright post (4) is fixed on the support plate (3.3); the guide pillar (8) penetrates the support plate (3.3), the top end of the guide pillar is connected with the scale pan (7), and the bottom end of the guide pillar is connected with the press head (9). The compression creep test instrument has the advantages of being short in test period, high in test efficiency and low in cost.