Test fixture for head stabilizer

The present invention provides a test fixture for a head stabilizer, and the test fixture is used for clamping the head stabilizer including an outer ring inlet and an outer ring outlet. The test fixture comprises: a mounting flange, wherein the mounting flange has a mounting hole for receiving the outer ring inlet; a pull-up bar, wherein the pull-up bar has a first fixing portion and a first extending portion, the first fixing portion is fixed on the mounting flange, and the tail end of the first extending portion has a first hook end face; and a pull-down bar, wherein the pull-down bar has asecond fixing portion and a second extending portion, the second fixing portion is fixed on the mounting flange, the tail end of the second extending portion has a second hook end surface, and the end surface of the outer ring outlet is clamped by the first hook end surface and the second hook end face respectively. According to the test fixture provided by the present invention, not only the requirements of leakage air