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Home>Topics>>Quick Wheel Chock for Stabilization

Quick Wheel Chock for Stabilization

Thu, 2 Sep 2010|

Dave Dalrymple discusses a simple chock you can build that lets you quickly stabilize a vehicle during extrication operations and that remains flush with the side of the vehicle. Sponsored by Holmatro.



[BLANK_AUDIO] [MUSIC] [MUSIC] Hi rescuers, I'm Dave Dalrymple. I'd like to talk to you today about some, some new training evolutions and some concepts that we're gonna talk about over time. The first one we're gonna talk about is, think about your stabilization of your vehicle on it's wheels. Now I know. Most times this is what we're dealing with. We go out to a motor vehicle crash. The vehicle is upright. We use cribbing, either normal cribbing and wedges, or more than likely you're going to use step chocks. Now, you're all familiar how step chocks work. Well, one of the things to think about is, vehicles today have become much lower to the ground. And when you insert the step chock into the vehicle, a lot of times it's sticking out becomes a trip hazard and you're not really capturing all that much of that vehicle. One of the devices we want to show you today is something that you can build at the firehouse called a quick chock. How, do you build this? Well,. It's three four by four cribbing, cribs, that are between 16 and 20 inches long. Over the top of that, we're gonna put a platform of plywood, half inch plywood that will scr, that's screwed down and glued in place. But on top of it, we're gonna insert a six by six wedge. Now that's going to take up the gap between the platform on the ground and the bottom of the vehicle. Now you'd be surprised how quickly you can insert this and make it flush with the side of the vehicle and capture the vehicle much more solidly than an normal step chock evolution. So watch how we do this. Now that the hazard survey's complete, the rescue crew's gonna come in and start stabilization with our quick chocks. As you can see, the platform goes down first, the large six-by-six wedge goes in over top. And gets tapped in place. Next, the rescuer's gonna come in, and he's gonna start tire deflation. Tire deflation's gonna lock the car onto the curbing itself, and make it positive. [SOUND] Now it, as you can see, the car is dropping down onto the curbing itself. [MUSIC] Making a platform for us to work off of tool wise. [MUSIC] Now obviously with stabilization we're going to need to do it on all four corners so we've done the front. We're going to come in and do the rear corner now in front of the back tire. [MUSIC] [SOUND] [Music]. Our normal vehicle on its wheels if we're using step shocks they will sticking out a little depending on how low the vehicle is. If you notice with these devices, it's flush against the side of the vehicle, eliminating the trip hazard, and yet still making the vehicle sit on a platform and be positive blocking. Rescuers, now we've inserted a step chuck next to the quick chuck just to show you the difference. That's about as far as that step chuck would've went under if we were using that as our primary stabilization tool. So as you can see,. It sticks pretty far out. And if we had to pop the door, it would actually push the step chock away from the car. Whereas the quick chock is nice and flush against the side of the vehicle, and out of your way. We're gonna see a lot more of this as time goes along because vehicles are getting lower and lower to the ground. See rescuers. That went pretty quick. If you think about that, that might be a little bit faster than normal step struck and forth point stabilization. As you can see, platform goes in the [UNKNOWN] goes in over top. It get's tap, taped in a little bit, real solid. And in fact one of the things, if you deflate tires as well, you can insert the quick shock first, deflate the tire and go from corner to corner to corner very rapidly. Simple, straightforward. I'm Dave [UNKNOWN], I'd like to thank you for watching Training Minutes today. And I'd like to thank our sponsor [UNKNOWN] as well. Be safe out there.

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