Flat car for railway track maintenance

The utility model provides a flat car for railway track maintenance, which comprises a car body, the car body comprises a car plate and wheels used for walking on a track, the flat car further comprises an automatic brake mechanism, the automatic brake mechanism comprises a push handle, a connecting rod and a spring, and the push handle is used for pushing the car body and can move in a certain range relative to the car plate. The connecting rod is fixedly connected with the pushing handle, an anti-sliding block used for being matched with a wheel for braking is arranged on the connecting rod,and the spring applies force to the pushing handle in the direction close to the wheel towards the anti-sliding block. By means of the automatic brake mechanism designed for the flat car, the flat car can be used more conveniently in the railway construction and maintenance process. 本实用新型提供一种铁路轨道维护用平板车，包括车体，所述车体包括车板以及用于在轨道上行走的车轮，还包括自动刹车机构，其中：所述自动刹车机构包括推手、连杆以及弹簧，所述推手用于推动车体并可相对于车板在一定范围内活动，所述连杆固定连接所述推手，在连杆上设有用于与车轮配合用于刹车的防溜块