If and when you want to convince your management to approve your idea, don't go there directly with a cold proposal asking for an answer. Instead, make a series of educational presentations, in order to help them understand the idea and agree with it. Then, they will come back to you and ask you to implement it. They may even forget who was the author. But the goal will be achieved.

The video is here: https://youtu.be/9ym5u4en0Tc