Adjustable shelf for high-temperature test box

The utility model discloses an adjustable shelf for a high-temperature test chamber, and relates to the technical field of adjustable shelves, the adjustable shelf comprises a box body, two first square grooves are formed in the two corresponding sides of the inner wall of the box body, and the interiors of the first square grooves are rotatably connected with lead screw bodies. A second bevel gear is driven to rotate through rotation of the second rotating shaft, a first bevel gear is driven to rotate through rotation of the second bevel gear, a first rotating shaft and a lead screw body are driven to rotate through rotation of the first bevel gear, and a sliding block is driven to move through rotation of the lead screw body; according to the device, the screw rod body is provided with the three sliding blocks so as to drive the placement plates clamped with the screw rod body to move, manual movement adjustment of the screw rod body is avoided, the workload of an operator is reduced, different numbers of p