Trolley for conveying concrete test blocks

The utility model relates to a trolley for conveying concrete test blocks, which comprises a frame and a tray positioned on the frame, the frame is provided with a plurality of guide wheels extending towards two sides in the advancing/retreating direction, the frame is provided with a corresponding parking frame, the parking frame comprises a guide area and a parking area, and the guide area is used for guiding the frame to enter the parking area; a plurality of first grooves which are sunken downwards are formed in the surface of the tray, second grooves which are sunken downwards are formed in the first grooves, the first grooves and the second grooves are used for placing test blocks, and a plurality of discharging holes which are sunken downwards are formed in the edge of each second groove. The problem that a mechanical arm is not suitable for continuously taking the test blocks due to the fact that a trolley in the prior art cannot place the test blocks according to requirements is solved, and the concr