Portable picture hanging frame for vocational education

The utility model discloses a portable wall map frame for vocational education. The portable wall map frame comprises a device main body, a first rotating handle is rotated to drive a worm wheel to rotate, the worm wheel rotates to drive a worm to rotate, the worm rotates to drive a threaded rod to rotate, the threaded rod rotates to enable a first sliding block to move up and down in a second sliding groove, and therefore the distance between a second guide rail and a third guide rail is adjusted; a first rotating handle is rotated to drive a first two-way screw rod to rotate, a second sliding block and a third sliding block can be close to or far away from each other through rotation of the first two-way screw rod, and then the distance between a first clamp and a second clamp can be close to or far away from each other through rotation of the first two-way screw rod, and the second two-way screw rod is driven to rotate through rotation of a third rotating handle; and the fourth sliding block and the fifth