Get one that goes in your door like this: https://www.amazon.com/Komsurf-Multifunctional-Portable-Exercise-Equipment/dp/B088CTMDHG/ref=mp_s_a_1_8?dchild=1&keywords=chin+up+bar&qid=1598313863&sprefix=chin+&sr=8-8
It's not exactly the same, but you'll be able to bang out some several times a day. I'm up to 75 per day at the moment!