ENGINEERING VEHICLE HAVING BALLAST UNLOADING DEVICE AND BALLAST LEVELLING DEVICE

摘要

An engineering vehicle having a ballast unloading device (100) and a ballast levelling device (200). The engineering vehicle comprises a vehicle body (10), and the ballast unloading device (100) and the ballast levelling device (200) arranged on the vehicle body (10). The ballast unloading device (100) comprises: a ballast carrying portion (20), provided with ballast unloading openings (21), the ballast carrying portion (20) being arranged on the vehicle body (10); ballast unloading doors (30), capable of rotating with respect to the ballast carrying portion (20), inner unloading channels (31) and outer unloading channels (32) being arranged on the ballast unloading doors (30), the ballast unloading doors (30) also comprising stopper portions (33) located between the inner unloading channels (31) and the outer unloading channels (32). The ballast levelling device (200) comprises: a plough piece (220), slidably fixed on the vehicle body (10), so as to rise or fall with respect to the vehicle body (10), a plough head (224) used for ballast levelling being arranged on the plough piece (220); a first crank (230), rotatably fixed on the vehicle body (10); a connecting rod (240), one end being rotatably connected to the first crank (230), the other end being rotatably connected to the plough piece (220); a driving member (250), used for driving the first crank (230) to rotate.