Movable test platform special for secondary test device

The utility model relates to a movable test platform special for a secondary test device. The movable test platform comprises a box body. A DC resistor bridge, a relay protection tester and a relay protection test box are arranged in the box body. Three test cable outlets for test cables of three devices to penetrate through are formed in the lower portion of one side wall of the box body at intervals, wherein an overturn door is installed at the upper portion of the side wall. A power supply interface, a disconnecting link and an air switch are installed on the overturn door. A socket for inserting power lines of the DC resistor bridge, the relay protection tester and the relay protection test box is arranged in the box body. The power supply interface, the disconnecting link, the air switch and the socket are sequentially connected in series through cables. By means of the movable test platform, the test procedure can be simplified, the wiring accuracy and reliability can be ensured, the work efficiency is improved, space is saved, the movable test platform is safe and convenient and rapid to use, and the cleanness and orderliness of the live environment can be ensured.