Opinion wanted...garage hoist hookup...

What 340mopar said. Any drilling and bolting through just reduces strength. I'd wrap your plate across the top over a longer piece of like 2x3 or 2x4 steel tubing and not even bolt or screw anything into the wood beam. Have 2 bolts just below the beam to clamp it in position. Make a sliding door-covered window through the ceiling along the line of the beam and you can move your hoist a few feet one direction or the other as needed/desired.