What is a Vehicle Restraint System?
Vehicle Restraint Systems, or wheel chocking systems are used to automatically restrain vehicles which are backed on to a loading bay while a dock leveller is used to assist with loading and unloading.
They serve two main purposes in the loading bay, firstly is prevents a vehicle being driven away before it is safe to do so. Also, they prevent trailer creep (which is explained in full further down the page) and its associated problems.
C-Mech is the sole UK distributor of the Calematic Automatic Wheel Chocking System. There are many choices available for vehicle restraint systems which vary both in cost and complexity. However, Calematic has proven to be one of the best due to unique features and many examples of remaining maintenance and damage free over a number of years. We have had many happy clients using the Calematic system, some of these include L'Oreal, Ford and Michelin.
What are the Main Features?
- Completely flush with yard floor when stowed away, so very difficult to damage and ideal when there is restricted room for vehicles turning to reverse on to a Loading Bay.
- Keeps operatives out of potentially hazardous yard area as system is fully automated and triggered by opening & closing the Loading Bay Door.
- Designed to be maintenance free and unaffected by typical Loading Bay debris.
- Unaffected by snow or ice and will even operate when submerged.
- Simple construction with only 5 mechanical parts per chock and no complicated sensors or control system. NO motors, bearings, chains, gears, hydraulics or grease.
- Operated by low pressure compressed air so eliminates potential Health & Safety or Environmental hazards associated with electrical or hydraulic operation respectively.
- Zero trip hazards as there are no surface mounted parts between adjacent vehicles when in use, and completely flush with floor level when not in use.
What is Trailer Creep?
This occurs when the lateral and vertical forces exerted each time a lift truck enters and exits a trailer cause the trailer to slowly move away from the dock resulting in separation from the dock leveler. Factors that affect trailer creep are:
- Weight and speed of the lift trucks and their load
- The surface of the yard the trailer is parked on
- Softness of the suspension
- Type of dock levelers
- If the trailer has been dropped off or still connected to the tractor unit