You shouldn't have to take down your TV each time you travel.
If you have a TT built in the last couple of years or so, the newer TVs are a lot lighter than they used to be so not as much of a problem while in transit. The 32" in our 2104 TT is feather light. KZ does not use a locking articulating mount and it simply has the joints in the arms tightened. All we need to do is push it up against the wall and it stays in place just fine.
You could try tightening the joints on your mount and seeing if that works okay.
There are some locking articulating mounts available. Mor/Ryde makes a really nice one with a T-handle on the bottom that you pull down to lock/unlock as shown in the photo. We have one for our bedroom TV. The locking one that CW is terrible. We bought one and had to get rid of it it was so bad.
An inexpensive method of keeping a TV in place is to use velcro straps. I've seen a few TTs at shows that came from the factory with velcro straps. The photo below shows velcro straps that I used in our first TT. I got the plastic brackets from
TheClip.comThe 4 little screws on the back of the TV are fine. If it would make you feel more comfortable with them, you could use a drop of red Loctite on each one.
Don't know if you have the TV mounted in the factory designated spot or not. The factory usually has a thin sheet metal backer plate for mounting a TV. If there isn't a backer plate, then you need to ensure it is solidly mounted to the wall or cabinet. Although the TV may not weigh much itself, mounts can add weight and the two together can put lots of strain at the attachment location. A TV + mount can weigh around 20 lbs.