Movable portal frame easy to disassemble

The utility model discloses an easy-to-disassemble movable portal frame which comprises a cross beam, vertical frames are arranged below the two ends of the cross beam, vertical sleeves are arranged on the vertical frames, telescopic column rods are inserted into the vertical sleeves, the two ends of a hydraulic mechanism are fixed outside the telescopic column rods and the vertical sleeves respectively, and the height of the portal frame can be adjusted. Cross beam sealing heads are arranged at the two ends of the cross beam, the cross beam sealing heads are fixed to the telescopic column rods, the cross beam is connected with the two cross beam sealing heads in an inserted mode, and the width of the portal frame can be adjusted by adjusting the distance between the two cross beam sealing heads; the lower end of the vertical frame is provided with a turnover walking wheel, and the portal frame is moved through the walking wheel. The height and the width can be adjusted, the adjusting mode is simple and conve