Anti-toppling device for coal machine

The invention relates to an anti-toppling device for a coal machine. The anti-toppling device for the coal machine comprises a base, a telescopic beam and a moving skid shoe, and is characterized in that the base comprises a front surface contacting with the telescopic beam, and a reverse surface contacting with the coal machine; the base is bent toward the reverse surface and is connected with the telescopic beam by adopting a pin; the telescopic beam is connected with the moving skid shoe by adopting a pin; a jack is arranged in the telescopic beam; and the telescopic end of the jack is connected with the moving skid shoe. 种煤机防倾倒装置，包括底座、伸缩梁和移动滑靴，其特征在于，所述底座包括与伸缩梁接触的正面和与煤机接触的反面，所述底座向反面折弯，所述底座与伸缩梁采用销连接，所述伸缩梁与移动滑靴采用销连接，所述伸缩梁内设有千斤顶，所述千斤顶的伸缩端与移动滑靴连接。