Fixture for completing three-direction vibration test under condition without sliding table

The utility model discloses a fixture for completing three-direction vibration test under the condition without a sliding table, which is formed by welding parts, and comprises an X-direction installation plate (3), a Y-direction installation plate (4), a Z-direction installation plate (1), a side plate 1# (7), a side plate 2# (6), a test-piece installation plate (2) and a reinforcing block (5). The utility model has the advantages that the fixture completes the three-direction vibration test of the test-piece through the conversion of the installation surface, is free from the sliding table, reduces the requirements to the pushing force of a vibration table, improves the test efficiency, and reduces the test cost.