FIELD: test of vehicles. SUBSTANCE: tracks are placed in several layers separated by stiff gaskets. Each layer has different number of tracks. The whole set of tracks is restrained between pressing plates tightened by forces variable as to their value and direction. Body 1 carries guiding frame 8. Cuttings 14 made in vertical posts of the frame receive axles 15 and 16 carrying pressing plates 2 and 3, intermediate plates 4, 5, 6 and 7 playing the role of stiff gaskets between layers of pneumatic tracks 11. Edge pressing plates 2 and 3 are engageable with one another with power cylinders 9 and 10 positioned on both their sides. Lengthwise planes of symmetry of each pneumatic track coincide with longitudinal vertical plane passing across axes 15 and 16. EFFECT: enhanced reliability of test. 8 dwg
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