Detachable shelf

A detachable shelf, comprising four column assemblies distributed at four corners of a rectangle, wherein each column assembly comprises a plurality of columns distributed along a height direction;

• in each column assembly, adjacent columns are detachably connected;
• a plurality of support frames are disposed along the height direction among the four column assemblies;
• the support frame comprises two mutually-parallel first cross beams and two mutually-parallel second cross beams for forming a rectangular frame structure;
• a length of the first cross beam is greater than a length of the second cross beam;
• the front first cross beam is detachably connected to corresponding columns at front left and right ends and the rear first cross beam is detachably connected to corresponding columns at rear left and right ends;
• the left second cross beam is detachably connected to corresponding columns at left front and rear ends, and the right second cross beam is detachably connected to corresponding columns at right front and rear ends.