Detecting and sampling device for concreting layer aggregate distribution uniformity

The utility model discloses a detecting and sampling device for concreting layer aggregate distribution uniformity and belongs to the technical field of concrete. The detecting and sampling device for the concreting layer aggregate distribution uniformity is characterized by comprising a supporting device, a transmission device, a lifting device and a sampling device. The transmission device comprises a hollow lead screw (5), a disk type hand wheel (6) sleeved outside the hollow lead screw (5), and a guide bar (12) sleeved inside the hollow lead screw (5). The hollow lead screw (5) is vertically supported through the supporting device arranged on the upper end, and the lifting device and the disk type hand wheel (6) are arranged on the lower end of the hollow lead screw (5). The lower end of the guide bar (12) stretches out of the hollow lead screw (5) and the lifting device and is connected with the sampling device. The detecting and sampling device for the concreting layer aggregate distribution uniformity