FIELD: testing equipment. SUBSTANCE: test stand has bed 1 with lower mounting plate 2 which holds sleeve 3 with sealing ring 4 for mounting case 5 on it. Mounted on upper end of case is cover 6 made in form of flange with radius circular groove 7 receiving sealing braid 8. Locking ring 9 secured on lower plane of cover over perimeter of seal is engageable with case 5 during tests. Frame mounted on outer side of cover is formed by stiffeners of different height in form of closed triangle on whose angles bearing platforms are mounted. Hold0down members 12 mounted on vertical uprights 13 are engageable with bearing platforms. Hydraulic cylinders 14 secured on vertical uprights act on hold-down members 12 by means of hydropneumatic boosters 15, thus pressing cover 6 to case 5. EFFECT: enhanced reliability. 5 dwg
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