Foldable portable rock core image acquisition instrument

The invention relates to a foldable portable rock core image acquisition instrument comprising a pedestal (1), a pair of carrier rollers, a pair of columns (3), a support (4), a slide rail (5), a slide block (6), a supporting rack (7), a screw nut pair elevation mechanism, a handle (10), and a CCD camera (11). The instrument provided by the invention has the advantages that: 1, the columns adopt a foldable structure, such that instrument packaging zone is greatly reduced, transportation is convenient, and the instrument can be easily transported to a drilling site to carry out an acquisition work; 2, image data is transmitted by using gigabit Ethernet, no PCI slot is required, no desktop computer is required, and controlling is directly carried out by using a laptop, such that the purpose of portability is realized; 3, compared with a method with which an image acquisition card adopts a CameraLink signal line to transmit image data, the gigabit Ethernet has the advantages of high speed, interference resistanc