The utility model provides a coal road tunnelling temporary support device, belongs to the coal mine tunnel supporting technology field, has solved the existing colliery underworkings tunnelling problem that exists of temporary support device head -on, and it contains three parallel arrangement's spy roof beam, is provided with two gallowss respectively three the same one end of visiting roof beams, the width of gallows is greater than the width of visiting the roof beam, is provided with a jackscrew respectively in the left and right sides of gallows and will visits the roof beam location, can change the angle of visiting the roof beam through the adjustment jackscrew to the level of adaptation coal road turns to, the height of gallows suits with visiting the depth of beam, and the bottom plate of gallows passes through the bolt and visit the roof beam to be connected, prevents that the coal road from facing upward to one side or bowing and visit the roof beam slippage when tunneling to one side, and in order to change the angle of visiting the roof beam, the hole that the bolt of setting on the gallows bottom plate passed is the arc hole, and the arc hole of two gallowss on every spy roof beam sets up relatively, be provided with two metal protection nets three parts that set up beyond the gallows of visiting the roof beam, the utility model is used for coal road tunnelling temporary support.