City investigation engineering drilling field work rock core collection auxiliary device

The utility model discloses an urban survey engineering drilling field work rock core collection auxiliary device, including main box, auxiliary box, cleaning seat, cleaning nozzle, placing chamber, inner chamber nozzle, support screen and receiving plate, the right end of main box is provided with auxiliary box, the inner wall of main box is evenly provided with placing chamber around, the placing chamber is all provided with rock core, and the holding plate is provided with the support screen. Inner cavity sprayers are connected to the front side and the rear side of the top end of the containing cavity through bolts, an embedding groove is formed in the bottom of the main box through the containing cavity, the top of the embedding groove is connected with a supporting screen in an embedded mode, the bottom of the embedding groove is connected with a storage plate in an embedded mode, the top of the containing cavity is connected with a cover in a pressing and buckling mode, and a cleaning base is fixed to