In this post you'll learn:
- đŸ“¦What a pallet truck is, and what it’s used for
- đŸ”§How pallet trucks work and operate
- đŸ’¡Which use cases are suited to pallet trucks
Pallet trucks (also known as pallet jacks or pump trucks) are the unsung heroes of warehouses, stockrooms, and other environments that frequently handle pallets. These devices are designed to make lifting and transporting pallets easier, safer, and more efficient. In this post, we’ll take an in-depth look at how pallet trucks work, the different types available, and the latest innovations in pallet truck technology.
The Basics of Pallet Truck Operation
At their core, pallet trucks use a hydraulic lifting system to raise and lower pallets. The process begins by placing the tapered forks of the pallet truck into the slots of a pallet. The operator then uses the pump handle to create hydraulic pressure, which lifts the pallet off the ground. Once the pallet is at the desired height, the operator can easily manoeuvre it to its destination.
The lifting mechanism
- The operator sets the hand lever to the lift position, closing the lowering valve and allowing hydraulic oil to remain in the lifting cylinder.
- By moving the tow bar up and down, the operator forces oil into the lifting cylinder, causing the forks to rise.
- The upward movement creates a vacuum, drawing hydraulic oil from the storage tank into the lifting cylinder, which is fitted with a back pressure valve to prevent the oil from flowing back into the tank.
- Repeated pumping motions force more oil into the lift cylinder, raising the forks further.
- Once the desired height is reached, the operator sets the hand lever to the neutral position for transport.
- To lower the pallet, the operator pulls the hand lever to the “lowering” position, opening the lowering valve and allowing the hydraulic oil to flow back into the tank, slowly lowering the forks.
Key Components of a Pallet Truck
Source: forkify.com
- Handle: Allows the operator to grasp the end of the tow bar and manoeuvre the pallet truck in the desired direction.
- Control lever: Controls whether the pallet truck lifts lowers, or remains neutral for transport.
- Tow bar: Facilitates control and creates hydraulic pressure through a pumping motion.
- Steering wheels: Free-moving castors that enable precise control and a tight turning radius.
- Load wheels: Also called trestle rollers or load wheels, these are located at the front end of the forks and can only move forward and backwards.
- Fork arms: Designed to slide into the slots of pallets or pallet cages, allowing the load to rest completely on the forks.
Types of Pallet Trucks
- Manual hand pallet trucks: The most cost-effective option, these trucks are easy to operate and require no driving licence. They come in various lift capacities and fork lengths.
- Electric pallet trucks: These trucks reduce manual labour by using electric power for lifting and/or driving. There are two main categories: a. Pedestrian electric pallet trucks: Offer electric drive and either manual or electric lift. This is the fastest-growing category in the material handling industry. b. Electric ride-on pallet trucks: Ideal for transporting loads over longer distances, these trucks feature a foldable or fixed platform for the operator to ride on. A driving licence and proper training may be required.
- Speciality pallet trucks: Manufacturers like Hyster and Yale offer a range of pallet trucks with unique functions, such as:
- Compact and super compact pallet trucks: Designed for use in confined spaces and small to medium warehouse applications.
- Shelf stocker pallet trucks: Feature extra lift, allowing for precise load positioning at the best working height for order picking and stock replenishment.
- Platform and double platform pallet trucks: Designed for demanding warehouse and loading operations, with powerful AC motors and welded fork construction for enhanced performance and durability.
- Heavy-duty pedestrian-powered pallet trucks: Offer longer shift life, lower costs, and incredible reliability for intense indoor pallet transportation and vehicle loading/unloading.
Innovations in Pallet Truck Technology
Leading manufacturers like EP Equipment, Hyster, and Yale have been focusing on two main areas of innovation: driver environment and pioneering technology.
- Driver environment: Advancements in operator ergonomics have led to more comfortable working environments, increased visibility, and lower noise levels.
- Anti-vibration isolators: These components reduce the vibrations and road shocks that travel through the wheels to the truck seat, minimising operator fatigue and increasing productivity.
- “Command” driving positions: Manufacturers like Yale design trucks with a “command” driving position to ensure maximum visibility of the load and the operating area, enhancing safety and efficiency.
- Weather protection kits: Hyster has increased its focus on weather protection technology, testing trucks in extreme conditions and temperatures. They also offer bonus kits to increase operator comfort in tough conditions, allowing for year-round use in various environments.
- Pioneering technology: Manufacturers are striving to reduce emissions and fuel consumption through various innovations.
- Eco-settings and load-sensing hydraulics: Yale has made significant progress with eco-settings and load-sensing hydraulics that reduce fuel consumption. These advancements lead to improved fuel efficiency and enhanced productivity.
- Lithium-ion batteries: EP Equipment has placed a focus on lithium-ion batteries to lower emissions. Although initially more expensive, lithium-ion batteries have proven to be more durable than lead-acid options, lasting up to four times longer. This technology reduces the environmental impact of pallet trucks while providing longer run times and faster charging.
- Engine optimisation: Hyster has made improvements to their engines, resulting in improved fuel efficiency, faster engine response, and cleaner, quieter operations with reduced CO2 emissions. These advancements not only benefit the environment but also lead to lower operating costs for businesses.
As pallet truck technology continues to evolve, businesses can expect to see even more innovations aimed at improving operator comfort, safety, and productivity while reducing environmental impact and operating costs. By staying informed about these advancements, companies can make smart investments in pallet trucks that will support their operations for years to come.
Choosing the Right Pallet Truck for Your Business
When selecting a pallet truck, consider the following factors:
- Load capacity and fork dimensions: Ensure the truck can handle your typical load weights and sizes.
- Intended use: Consider whether the truck will be used indoors on flat surfaces or outdoors on rough terrain.
- Power source: For electric pallet trucks, consider charging requirements and how they fit into your operation schedules.
Pallet trucks are indispensable tools for businesses that handle pallets regularly. By understanding how these devices work, the different types available, and the latest technological advancements, you can make an informed decision when selecting the best pallet truck for your needs. Whether you opt for a manual hand pallet truck or a state-of-the-art electric model, these versatile machines will help streamline your material handling processes, improve safety, and boost overall efficiency.
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