Assembly type climbing device for building construction

The invention relates to the technical field of building construction, comprising a first ladder stand, the surface of the first ladder stand is provided with a connecting ring, the surface of the connecting ring is sleeved with a second ladder stand, the surface of the first ladder stand is provided with a support plate, and one end of the support plate is located on the surface of the second ladder stand; the positioning block is arranged on the surface of the first crawling ladder, a reinforcing plate is arranged on the surface of the positioning block, a locking plate is arranged on the surface of the second crawling ladder, and the reinforcing plate is located on the surface of the locking plate; the ladder stand has the beneficial effects that a limiting plate is moved to the top end of a sliding groove, a locking plate is located on the surface of a second edge groove, and any one of a first ladder stand and a second ladder stand rotates along a connecting ring to be close to each other; the locking pl