The Patented NOVA Lock-Up™ Vehicle Restraint is designed to secure an intermodal container chassis or trailer to a loading dock by engaging the Rear Impact Guard (RIG) with a vertical barrier operated by a control panel mounted inside the building. The Roller Slope Extension is designed to decrease resistance of carriage travel while it is adjusting to the height of the RIG on the trailer thereby saving wear on the RIG, carriage and pavement. Engagement range extends from 9-30 inches (229 mm to 762 mm) above the ground. A spring-loaded, structural steel housing automatically positions the unit when contacted by a backing truck.
Mounts to dock above ground level to stay clear of accumulated precipitation and debris. Protected from the elements with watertight connectors and zinc plating, which provides exceptional corrosion resistance.
FEATURES AND BENEFITS
- Vertical barrier position ensures engagement with intermodal containers and trailer RIG configurations with cover plates or obstructions
- Patented activation system ensures RIG/barrier engagement when electrical power is lost
- Brakeless, direct drive gear motor specifically engineered for this application—no brake, clutch, sprockets, chain or adjustments required
- Designed to accommodate the widest variety of RIG configurations
- Low torque requirement to lift barrier into engagement
- PLC based control box provides maintenance diagnostics
- LED lights are standard for energy efficiency and long life
- Meets and exceeds ANSI MH30.3 requirements, tested and certified
- Warranty up to 5 years
As the trailer backs into position, the RIG contacts the spring loaded structural steel housing which rides down in its track, allowing the RIG to move over the top of the housing. The dock attendant pushes the RESTRAIN button which activates the vertical barrier to secure the trailer to the dock. The vertical barrier can withstand a pullout force in excess of 38,000 pounds. The Lock-Up™ restraint maintains contact with the RIG and adjusts automatically with trailer float motion to ensure proper engagement at all times. If there is a cover plate or obstruction above the rear impact guard, the vertical barrier adds an additional level of safety providing secure engagement. The patented activation system ensures RIG/barrier engagement when electrical power source is lost. After servicing is complete, the dock attendant pushes the RELEASE button. In the event a trailer’s RIG is missing or damaged, the Lock-Up™ will communicate a fault condition. An audible alarm and flashing red light alerts the operator that the trailer has not been properly secured. The operator may then override the fault condition and secure the trailer by other means. The communication system automatically adjusts to reflect the current operational mode.
The vertical barrier weldment is a lamination of two (2) 2 3/4 x 3/4 inch thick ASTM A572 Grade 50 steel plates with 1 inch ASTM A36 steel spacers in between. The vertical barrier weldment is located within the carriage between the two (2) side plates. The carriage side plates are constructed from abrasion resistant steel for maximum wear resistance from the rubbing of RIG on trailers. The carriage axles are made from 1 1/4 inches diameter cold rolled 1045 steel and the carriage rollers machined from 2 5∕16 inches diameter cold rolled 1045 steel. The roller track is formed out of ASTM A572 Grade 50 steel into a 6 3/8 x 3 inches channel with 7∕8-inch flanges. The roller track is attached to the dock face with fifteen (15) 5/8 x 4 inches long heavy duty sleeve anchors.
All operator controls are mounted in a control panel which is fully operational at all times. Specially engineered electric motor and limit switches are enclosed in an abrasion resistant structural steel housing. Electrical components and wiring are UL listed or recognized. Lock-Up™ restraint requires a power source of 110/115 volt, single-phase with a 15 amp service circuit.
Outside: Constant flashing red or green LED lights with signs instruct the truck driver when it is safe to back into or pull away from the loading dock.
Inside: Constant flashing red or green LED lights with signs inform the dock attendant when it is safe to perform loading/unloading operations.
Audible Alarm: In addition to the flashing red light, inside alarm warns the dock attendant when a RIG has not been properly engaged.
Horn Override: A key switch allows personnel to override the audible alarm. When the audible alarm is in override, the inside red and green lights continue to flash simultaneously while the outside light flashes red and the audible alarm is silenced.
LED Lights: Standard LED lights provide long life and reduced electrical power consumption.
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