You're doing too much as a Reinhardt your job isn't to do so much. The more you do the less you're protecting your team rely on your team more and when you see your moment set em up with an earth shatter and let em knock it down. But if you really want to get out of gold learn another tank and at least two heroes from each category that way you increase your flexibility if youre not able to be flexible you'll never get out of the lower brackets