Anti-blocking device of concrete automobile pump

The anti-blocking device of the concrete automobile pump comprises a concrete automobile pump body, a feeding port is formed in the upper end of the concrete automobile pump body, a sliding groove is longitudinally formed in the feeding port, and a feeding grid is connected into the sliding groove in a sliding mode. When the device is used, a worker starts the arranged motor to drive the anti-blocking mechanism to operate, so that the feeding grating can swing in a reciprocating mode, the situation that the feeding grating is blocked is reduced, and when the motor works, through the arranged first bevel gear and the arranged second bevel gear, the feeding grating is prevented from being blocked. In addition, after pouring is finished, a worker starts a water pump to spray water in a water storage tank out through a spray head, so that a concrete automobile pump is washed, and finally, through an arranged blocking net, the concrete can be separated from the water storage tank, so that the concrete is prevented