Small excavator suitable for danger elimination operation of small-space roadway

The invention relates to a small excavator suitable for danger elimination operation of a small-space roadway, and belongs to the technical field of excavators. In order to solve the problem that the angle of a mechanical arm of existing equipment cannot be adjusted, the following technical scheme is provided that the mechanical arm comprises a movable chassis, a platform assembly is movably connected to the top of the movable chassis, a front push shovel is arranged on the right side of the movable chassis, a rotation assembly and an operation room are arranged on the platform assembly, and the mechanical arm is arranged on the rotation assembly; and a bucket is mounted on the mechanical arm. According to the device, the rotary assembly is arranged, so that the device can drive the mechanical arm to rotate and adjust by 360 degrees, the practicability of the device in the running process is improved, and the clamping assembly is arranged, so that protective nets are conveniently assembled on the top of the o