The invention discloses a small excavation
crusher for an underground roadway of a
coal mine. The small excavation
crusher for the underground roadway of the
coal mine comprises a vehicle body, wherein a conveying device is arranged in the vehicle body, and an excavation crushing arm is arranged at the top of the vehicle body; through cooperation of a
triggering device and a clamping device, whenthe orientation of a bucket device deviates from the orientation of the conveying device, an
energy storage device is driven through the conveying device to rotate, energy stored in the energy storagedevice is increased, and meanwhile, the bucket device acts, and is enabled to temporarily store deposits; through a shifting device, energy transmission can be automatically interrupted after the energy stored in the
energy storage device is enough; through cooperation of the bucket device, the
triggering device and the clamping device, when the orientation of the bucket device and the orientation of the conveying device are the same, the energy in the
energy storage device is automatically released, and meanwhile, the bucket device generates corresponding action, the deposits stored in the bucket device can be pushed into the conveying device conveniently, and then the deposits in the side front part of the bucket device can be cleaned conveniently, so that the time and labor are saved,and the practicability of the excavation
crusher is improved.