FIELD: sanitation equipment.
SUBSTANCE: rolling stock unit comprises built-in inside tank (3), at bottom (10) of which there is connecting hole (7), in which outside tank (3) is inserted shutoff device (6) of tank. Locking device (6) of tank is located on inner side of unfolding bag-type container (8) and edge (15) of such bag container (8) is connected to tank (3) shaft (11) in floor (10) of rolling stock unit. Locking device (6) of tank has seat for tool. Edge (15) of bag-type container (8) by means of band (16) is attached to outer side of shaft (11). On outer side of shaft (11) there is banding device (17), which serves for closing of bag-type container (8). On rolling stock unit floor (10) there are barriers (19) for liquid, which are arranged so that they are outside of surface, which is determined by projection of tank (3) on rolling stock unit floor (10).
EFFECT: higher reliability.
10 cl, 3 dwg
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