Killed man Brayden Killeen. Photo: Facebook

Family and friends of the man killed while dismantling an amusement ride in Ipswich have paid tribute to the 20-year-old.

Workplace Health and Safety inspectors are investigating how Brayden Killeen came to be pinned underneath the ride at the Collingwood Park State School on Tuesday night.

The ride had been used for a Christmas Carols event, which ended about 30 minutes before Mr Killeen's death.

Pinned beneath a ride at a Christmas Carols event, Brayden Killeen. Photo: Facebook

On Facebook, his mother Louise Holtom said he was "a beautiful boy with a beautiful heart".

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"I will always Love you thank you for picking me to be your mum, you were taken to soon R.I.P," she wrote.

Aunt Millie Alcorn also wrote that she was feeling "shattered".

"You were such a nice, kind hearted boy, taken away too soon you were only in your early 20's and didn't deserve this!"

Another friend who said she saw Mr Killeen on Friday described him as a "kind and happy person".

A report into Mr Killeen's death is also being prepared for the coroner by police.

Inspectors from QWHS arrived mid-morning to examine the scene, where an area around the partially-dismantled ride had been taped off.

The ride was operated by family business Affordable Amusement Rides Brisbane.

Company representatives declined to comment when contacted by Fairfax Media, deferring to their Gold Coast-based lawyer Raymond Johnson.

"As far as the operators are concerned, they're in a situation of severe distress and their concern is for the young man's family," Mr Johnson said.

A ride being inspected on Wednesday morning appeared to be similar in design to an attraction named The High Flyer advertised on the Affordable Amusement Rides website.

The High Flyer is a carousel-like ride with swings attached to a central rotating hub. It has a diameter of 18 metres and is capable of carrying 24 people.