Sampling device for rock engineering

The utility model discloses a sampling device for rock engineering, which comprises a storage shell, supporting mechanisms are fixed on two sides of the storage shell, a collecting pipe is inserted into the storage shell in a penetrating manner, a motor is mounted at the top of the collecting pipe, an output shaft of the motor is connected with an auger, output pipes are mounted on two sides of the collecting pipe, and each supporting mechanism comprises a fixing column. A compression spring is mounted in the fixing column, a supporting column is slidably inserted into the fixing column, a limiting block is fixed to the top end of the supporting column, a bottom plate is fixed to the bottom of the supporting column, the limiting block slides in the fixing column, a funnel is welded to the bottom of the storage shell, and a threaded cover is mounted at the bottom of the funnel. According to the sampling device for the rock engineering, drilling sampling can be conducted on the rock engineering, sampled materia