I have read that badgers also dig up wasp nests, so they are a force for good when there are wasp near your apairy

Raising the hives I am sure would help, provided the stand is stable, in caser a badger trys to put weight on it.
I think good fencing is the answer, I would go for an approach that would protect the hive(s) against woodpeckers in Winter as well if possible. My approach would be to try four posts at say 1m from the hive and then secure steel mesh to the posts in such away that the mesh can be removed easily for hive inspections. Would probably need to move the hive off a short distance temporarily, before driving posts in to the ground, as bees do not like too much vibration.
In Winter, you would also need a mesh lid as well, to keep the Woodpecker away from your hive.