Went flying Friday in my RG but landed in a straight legged 182! After liftoff and in a positive climb with the runway no longer being useful I selected gear up as I always do. Hand still on the gear selector I listened for the usual wine of the gear motor/pump and waited for the thump, thump of the gear snuggling themselves into the belly of plane. Strangely there was no wine and no thump thump. Looking out the window the gear had not budged. I selected gear down and tried again but no joy. I then did all the common checks of circuit breakers and fuses, gear pump handle down and secure, master switch on etc. But everything checked OK. Obviously there was no power to the gear motor. I could see both mains down in the locked position and could also see the nose gear down through the convex mirrors on the wings. The gear light was green so I was comfortable that the gear was locked down. Not wanting to mess with it any further and get the gear to go up and then have the opposite happen of them not wanting to go down I decided to return the airport and land. Now to the shop and up on jacks, I guess, for a diagnosis. I hate to see her up on jacks. Worse thing is my shop is so busy it’s going to be a while before they can get to it.