Introduction to Forklifts
Forklifts, also known as lift trucks, are powered industrial trucks used to move goods in warehouses, distribution centers, factories and other industrial settings. They are commonly powered by electric motors or internal combustion engines and have tines or forks at the front for lifting and carrying loads. According to the Occupational Health and Safety Administration (OSHA), forklifts are considered powered industrial trucks and are regulated under OSHA’spowered industrial truck standard. Proper use and operation of forklifts is critical for safety in workplaces, as hundreds of thousands of workers use forklifts on a daily basis to move materials and products. Accidents involving forklifts can cause serious injuries and even fatalities if not operated correctly. This research paper will examine forklift safety, operation and other key aspects.
History and Development of Forklifts
The forklift evolved from manual hydraulic trucks that were first introduced in the early 20th century for moving heavy crates and barrels. Some key developments in forklift history include:
1912 – Clark Material Handling Company builds the first forklift in the United States, using a hydrostatic drive system. This was one of the earliest powered trucks for industrial materials handling.
1915-1920 – Various companies began developing battery powered electric forklifts for use in factories and warehouses.
1920s – Gasoline or liquefied petroleum gas powered forklifts became common, allowing for greater lifting capacities and travel distances compared to electric models.
1930s-1950s – Additional innovations included pivoting front wheels for easier steering, sideshift capabilities, load backrest extensions and overhead guard components for safety. Manufacturers also began building forklifts with increased lifting heights and capacities.
1950s-1970s – Internal combustion engines became the primary power source for heavy duty applications requiring high outputs. Hydraulic controls also saw widespread adoption over mechanical systems.
1970s-present – Electronically controlled internal combustion counterbalanced trucks were introduced along with additional safety features like operator restraints. Forklifts also started becoming computerized with programmable controllers.
Today, forklifts come in all sizes, from small electric walk-behind pallet trucks to massive internal combustion or fuel cell powered container handlers capable of lifting over 100,000 pounds. Advancements in engine, drive motor and battery technologies continue enhancing performance and efficiency.
Forklift Safety
Safety is the primary concern when operating any forklift. According to OSHA, an average of 100 workers are killed in forklift-related accidents in the U.S. each year. Many more suffer serious injuries. The key forklift safety elements include:
Only licensed or trained operators should use forklifts. Formal operator training and certification programs are mandatory in most areas.
Perform pre-operational inspections to check for mechanical and functional issues before each shift.
Wear a seatbelt whenever operating a sit-down rider forklift.
Drive slowly and cautiously, following marked traffic patterns. Watch carefully for pedestrians.
Raise and lower forks only when the truck is stopped in order to avoid accidents from load shifting.
Never allow anyone to sit or ride on the forks or load being carried.
Be aware of overhead obstructions like lights, sprinklers and ventilation pipes when raising loads.
Use horns, lights or other safety devices when visibility is limited and when approaching blind corners.
Park safely on level ground with forks fully lowered and brakes properly set before exiting the truck.
Refuel safely away from any ignition sources when the engine is turned off.
Never modify or bypass any safety components on a forklift. Maintain guard rails, cages and other protections.
Major contributing factors in forklift accidents are operator error, instability of elevated loads, inadequate training, lack of maintenance and reckless driving habits. With extensive education, risk assessment planning and strict adherence to safety protocols, the risks can be effectively minimized.
Forklift Operation
Proper training is essential in developing the techniques for controlling and operating any powered industrial truck like a forklift. Some key operational procedures include:
Get familiar with all gauges, controls, attachments and safety systems on the specific truck model. Do not operate a machine that is unfamiliar or poorly maintained.
Board and exit safely with three points of contact – two feet and one hand gripping the truck railings. Never attempt to jump on or off moving equipment.
Adjust mirrors properly and keep the seatbelt securely fastened. Only start the engine after being safely seated.
Gradually apply pressure on foot pedals or levers to smoothly accelerate, brake, lift, lower and steer loads as needed. Abrupt maneuvers should be avoided.
Use horns, flashing lights and alarms judiciously as courtesy alerts to pedestrians when moving and reversing.
Carry loads close to the body for maximum stability. Safely secure all cargo before traveling. Tilt mast forward or place overhead guard up for greater visibility.
Obey all posted speed limits on roadways and floor markings for directions. Note traction conditions which may limit travel speed appropriately.
Watch sharp corners and pillars where visibility is obstructed. Pay attention to mirrors and sounds around the forklift to detect people nearby.
Ensure forks are facing the right way before fully lowering loads. Know load weight limits of the equipment you are operating.
Refuel in well ventilated areas ensuring no flames, sparks or other ignition source nearby. Wait until fuel tanks seal before resuming work.
Regular practice hones the skills for coordination, efficiency and most importantly, safety when operating forklifts. Only through proper hands-on training can workers gain mastery over these powerful industrial machines.
Forklift Types
There are many specialized types and configurations of forklifts available to suit different industrial applications and environments:
Walkie/Rider Pallet Trucks – Small electric trucks for moving loads short distances on smooth surfaces. Can be rode or walked alongside.
Counterbalance Trucks – Larger sit-down trucks with side-shift and fork position controls. Engines run on gas, diesel or fuel cells.
Narrow Aisle Trucks – Counterbalance forklifts designed for maximum maneuverability in tight spaces with double-deep racking.
Reach Trucks – Extended free-lifting mast with telescoping fork carriage for loading very high racks.
Swing Reach Trucks – Similar to reach trucks but with rotating forks and carriages for precise load placement.
Order Pickers – Vertical lift trucks with operator cabs and control panels for order fulfillment high in vertical racks.
Rough Terrain Forklifts – Heavily ballasted trucks with over-sized drive tires for outdoor construction applications.
Electric Tow Tractors – Powerful battery-powered tractors for towing heavy trailers on factory floors or cargo areas.
Container Handlers – Massive internal combustion vehicles for stacking shipping containers up to 9 units high.
The full spectrum of forklifts ranges from compact lithium-ion powered walkies up to 100-ton capacity mobile cranes. Selecting the right machine depends on tasks, load characteristics, space constraints and operator needs at a specific facility. Proper equipment matching enhances productivity and safety outcomes considerably.
Conclusion
Forklifts play an indispensable role in modern warehousing and distribution by enabling the efficient movement of goods. From their beginnings as manually-cranked lifting devices over a century ago, forklifts have evolved into highly sophisticated machines powered by various energy sources. Safe operation through certification backed training continues being paramount given the inherent risks. Adherence to standard operating procedures and maintenance protocols likewise keeps workers and workplaces protected. Ongoing innovations will certain improve aspects like automation, ergonomics and zero emissions into the future as demand for material handling equipment rises globally. Overall, forklifts have proved themselves versatile production aids that can lift entire industries.
Andrew Stroud