Fecha de publicación: 04/05/2021 Fuente: Wipo "BigData" The utility model provides a positioning device for a big data all-in-one machine, which belongs to the technical field of positioning of the big data all-in-one machine and comprises a bottom plate, a clamping groove is formed in the upper end of the bottom plate, and the big data all-in-one machine is placed in the clamping groove. The front end of the book searching and big data all-in-one machine is provided with a plurality of ventilation grooves which are evenly distributed, a top plate is placed at the upper end of the big data all-in-one machine, two clamping mechanisms are arranged between a bottom plate and the top plate, and each clamping mechanism comprises two guide blocks, a micro-elastic connecting rope, a connecting rod, a guide pipe, a rotary disc, a rotary stick and a rotary handle. The two guide blocks are fixed to the left portion and the right portion of the upper end of the top plate respectively, the guide pipe is fixed to the right portion of the upper end of the bottom plate through the connecting rod, the whole device is ingenious in structural arrangement, flexible to operate, good in ventilation and heat dissipation performance for the big data all-in-one machine, suitable for big data all-in-one machines of different heights and sizes and universal.