SMALL-SIZE MUNICIPAL VEHICLE Russian patent published in 2017 - IPC E01H1/08 

FIELD: machine building.

SUBSTANCE: invention relates to municipal machine building, namely to small-size multifunctional vehicles for maintenance of public territories in habitable city areas and at production sites. The small-size municipal vehicle comprises hingedly connected front (1) and rear (2) half-frames, a hinge (3), a chassis (4), a power unit (5), a pneumatic system (6), an attachment gear (7), tray brushes (8), an accumulating chamber (9), a hydraulic drive (11). Front and rear half-frames are made with narrowing of the carrying beams (48), (49) and are connected using a vertically oriented crossarm (14) with possibility of free rotation relatively to each other in vertical plane around horizontal spines (15) of the crossarm installed in bearings (16) of one detachable (18), and second fixed (19) inserts of the rear bracket (13) of hinge (3). The half-frames are also made with possibility of forced rotation by the double-action hydraulic cylinder (50) in the horizontal plane around vertical spines (15) of the crossarm (14) installed in bearings (16) of the detachable inserts (17) of the front bracket (12) of the hinge (3). The hydraulic cylinder (50) with eye-lugs (51) and (52) comprising spherical inserts is secured to the front bracket (12) and beam (49) of the rear half-frame (2).

EFFECT: increased efficiency of territory cleaning due to adherence and copying by brushes of the relief of cleaned surface, and increasing the turn radius of the vehicle.

2 cl, 7 dwg