Dock Lifts is a scissor lift with a larger platform that can be used to load/unload trucks at ground level. It is an economical solution for bridging the gap between the truck bed and the warehouse floor.

Traditional methods of moving goods between the truck bed and ground height involve heavy manual handling, putting workers at risk for back, shoulder, and arm injuries. A dock lift is safer, faster, and much more cost-effective.

Dock lifts enable carts, walkies, straddle stackers and sit-down rider forklifts to access truck trailers that they otherwise cannot reach without requiring manual handling. Different capacities are available, and each has a specific working range that depends on the height difference between the trailer and the dock. The capacity you select should also be based on the maximum weight of any forklift attachments you plan to use.

The number of trucks that will be served per shift is another factor to consider. If you are loading lighter items, you may be able to go with a smaller lift, which will cost less and require fewer maintenance hours. For heavier items, you may need a larger model with higher weight and height capabilities to accommodate your needs.

Some lifts are portable and can be moved, while others are mounted on a concrete surface at the dock or behind a wall of the facility. The latter are often called disappearing lifts. They can be mounted in areas where a concrete pit cannot be created and are usually less expensive than a pit-mounted lift. They are usually equipped with rain proof pendant 24 vac hand controls on a 4 foot – 20 foot coil cord, and some have a knob for manual lowering in the event of power failure. They come in a variety of capacity options, from 4,000 lbs. up to 15,000 lbs. with platform sizes from 6′ x 6′ up to 8′ x 10′.

A safety limit switch can be added to most models to prevent the lift from traveling too far up or down once it is fully lowered. Other options include a weather cover for the power unit, and oil emersion heathers for cold winter outdoor mounting. Some models have a remote power unit to eliminate the need for a cord run, and they are usually designed with NEMA 4 pushbuttons that can be locked to prevent unauthorized usage. Most lifts are supplied with ISO 46 hydraulic fluid, but Dexron III transmission fluid is a suitable substitute. A lock plug is also usually provided to make it easy to remove the power unit and lower the lift manually if necessary.

Controls

Dock lifts make loading and unloading trucks more efficient, less dangerous and far more affordable than truck wells or concrete ramps. They can be found in a wide range of sizes and lifting capacities to handle any type of loading dock application.

They eliminate the need for expensive concrete pits, and are designed to withstand a variety of conditions, including harsh marine environments. They can also be installed over existing concrete, eliminating the need for costly replacement and repair.

Many manufacturers offer a choice of control systems for their dock lifts. NEMA 4 push buttons mounted on cords, (these could be adapted to longer lengths for security options) are usually standard on all units, while wall mounted switches can also be installed.

Another option is a cellular phone controlled system that gives you the ability to operate your lift with a simple app on any smart phone. This is becoming a popular choice for boat lift owners because it eliminates the need to have someone stand on the dock and risk injury or death just to lower your lift for loading.

When choosing a system it is important to consider your specific needs and the capabilities of your equipment. The capacity rating of a dock lift is determined by adding the weight of the maximum payload being loaded, to the weight of the lift and the load-carrying equipment. This capacity is the maximum weight that can be safely driven over a fully lowered dock lift.

Some manufacturers of dock lifts also include an axle rating capability that is the maximum amount of weight that can be concentrated on one axle when traveling over a fully lowered dock lift. This is especially important for applications that use large specialty equipment like low-step vans, or high-capacity powered pallet jacks and straddle stackers.

Some manufacturers also include a “safety shut off” feature that allows the operator to manually shut off either of the two motors in order to tilt or level the lift at any time. This is especially useful for large lifts that require multiple controls and it prevents the possibility of an accidental shut off while a boat is in motion, causing the lift to drop rapidly or even fall over.

Safety

Loading docks are busy areas with trucks, trailers and forklifts moving throughout the area. These interactions present a variety of potential hazards to workers, including falls and equipment damage. A combination of adherence to best practices and the integration of advanced safety solutions can greatly reduce these risks.

Ensure that all staff are trained in proper forklift operation and that they follow all traffic and safety guidelines. This includes the use of safety restraints to keep load-handling equipment secure when not being used. Ensure that all forklift drivers know the weight limits of their machines and only operate them at appropriate speeds. Encourage workers to take frequent breaks when performing physically intensive labor. Install safety barriers at trailer openings whenever they aren’t attached, and use a barrier when loading trucks to prevent them from driving off the end of the dock.

Establish a line of communication for workers to report any unsafe conditions or situations they witness while working in the warehouse. These issues should be promptly addressed by supervisors to minimize the risk of accidents and injuries in the dock area.

Inspect dock lifts, ramps, floors and other surfaces regularly for any cracks or gaps. Keep them well-lit to ensure good visibility for forklifts and pedestrians. Inspect and replace any worn or broken dock equipment that can pose a hazard to workers. Keep cleaning supplies stocked and available to immediately address any spills that occur on the dock.

Maintain adequate ventilation to ensure that truck exhaust fumes and other contaminants don’t become a health hazard for workers. Ensure that all workers wear personal protective equipment as required by law, including hard hats and hearing and eye protection.

Train staff in safe lifting techniques to prevent back injuries that can be caused by improper handling of heavy loads. Instruct them to always bend at the knees when lifting and not to exceed the maximum lift capacity of their equipment. Instruct them to always ask for help when lifting anything too heavy or awkward for one person to handle alone.

Maintenance

Performing regular visual inspections helps identify issues with the dock lift and its components. Check the structure for rust, damage, or other signs of wear and tear. Examine the cables, pulleys, and winches for fraying or kinks. Addressing these problems early reduces the risk of further damage and costly repairs.

The lift’s bunk, cradles, and support beams must also be regularly cleaned, especially in saltwater areas. Dirt, mud, and marine growth build up and create additional stress on the lift’s frame, which may lead to corrosion. Regular cleaning and rinsing of these elements will help extend their lifespan.

A common cause of boat lift malfunction is worn-out cables. They must be inspected and replaced as needed to prevent a loss of power. Check the cables for rust spots, kinks, severe abrasion, or other damage. A good rule of thumb is to replace the cables every two years, but this depends on conditions and use. If the cables are showing significant damage, a professional can assess the situation and recommend an appropriate replacement.

The electrical system of a boat lift must be regularly inspected to ensure all connections are secure and that all wires are properly shielded from moisture. The lift’s motor, gearbox, and cover should be checked for any signs of rust or corrosion. Keep the drain holes closed at the top and open at the bottom to reduce water retention, which can damage the motor and other components.

A dock lift is a versatile piece of equipment that can be used to bridge the gap between truck beds and warehouse floors. It can accommodate carts, straddle stackers, sit-down rider forklifts, and more. Proper maintenance and lubrication will help prevent damage to the equipment, ensure the safety of your workers, and promote efficient operation.