I know of only one other passage in Revelation that anyone claims to be a representation of the rapture. But beyond those little quibbles, something bigger is going on here. We see the same focus in 2 Thessalonians. Our prayer now and in heaven is one and the same. We long for the rule of righteousness, not mere relief and relaxation.
Believers live in both heaven and earth during that time.
The door of heaven opened for John, and God revealed to him earthly events from a heavenly point of view. Others with him in heaven also look down with great interest upon the earthly events. Conversely, those on earth will need the heavenly perspective in order to get through this time. My first instinct, when I read this passage years ago, was that verse 22 referred to unbelievers in the church. If the letters to the churches apply to both the first generation and our generation, then a first-generation tribulation must be in view.