Portable sampling box

The portable sampling box comprises a box body, a box cover, a first rotating shaft, an operation table, a pulley assembly and a pull rod, the box cover is arranged on the upper side of the box body, the first rotating shaft is arranged at the connecting position of the box cover and the box body, the pull rod is arranged on the side face of the box body and is a telescopic rod, a lock catch is arranged on the outer side of the box body, and the operation table is connected with the lock catch. A plurality of pulley assemblies are arranged on the bottom side of the box body, each pulley assembly comprises a second rotating shaft, a pulley, a gear, a rack frame and a limiting plate, an operation table is arranged on the side, close to the pulley assemblies, of the box body, and limiting blocks are arranged on the two sides of the operation table. The sampling device is suitable for sampling work in various environments, and the workload of sampling personnel caused by carrying is greatly reduced. 本实用新型公开了一种便携式