Combined car railway running gear

The utility model discloses a combined car railway running gear, including midbody and chassis, the midbody is adorned on chassis upper portion, and the midbody includes towing pin, framework, slide rail and snubber block, and the towing pin rotates and articulates on the framework, and the slide rail has two, and all fixes on framework upper portion, the snubber block has at least 4, and all fix in the framework lower part, the chassis includes the gear box, the axletree, a wheel, one end of the support rack is hinged at the support, the end connection pole, motor and arresting gear, motor transmission connects the gear box, the support frame is fixed between 2 gear box middle parts, the end connection pole is fixed respectively between 2 gear box tip, arresting gear includes brake disc and braking clamp, the brake disc dress is on the axletree, the braking clamp is adorned on the end connection pole or is adorned on the gear box or adorn on the support frame, braking clamp and brake disc cooperation. The ut