A Comprehensive Guide To Aerial Work Platforms
Aerial Work Platforms (AWPs) are a type of mechanical equipment used for high-altitude operations and are a subdivision of construction machinery. They have evolved from non-self-propelled platforms to self-propelled ones, becoming the industry leader today. In this article, we will discuss the classification of AWPs in detail.
Self-Propelled Hydraulic Drive Scissor Platform: This type of AWP uses a hydraulic motor as the driving force, comprising a motor, a hydraulic pump, and a hydraulic motor. The hydraulic motor powers the machine when walking, while the hydraulic pump pumps and drains oil to the oil cylinder to control the scissor platform's lifting and lowering.
Self-Propelled Electric Drive Scissor Platform: The structure of this type of AWP is similar to the hydraulic drive scissor platform, with the main difference being the walking power source. The electric drive scissor platform's walking power comes from the walking motor, which has two motors as actuators for the walking power. The steering includes hydraulic steering and differential steering. The scissor driving platform's lifting is controlled by the pump supplying oil to the oil cylinder. If the AWP has a motor and a reducer on the road wheel, it is an electric drive vehicle.
All-terrain Scissor Aerial Work Platform: This AWP is suitable for complex working conditions and has a larger load capacity. It is available in electric drive and diesel off-road versions, with large tires, high ground clearance, and strong power. They generally have outrigger leveling functions during operations, providing greater operating height and carrying capacity.
Articulated Boom Aerial Work Platform: This AWP has a completely different appearance from the scissor platform, with a crank arm composed of several folding arms. A flying arm is attached to the working platform, giving it a large operating range and flexible working methods. The power source is generally batteries and internal combustion engines, with an operating height range of 14 to 48 meters. The world's highest crank arm, released by Starbone, is 48 meters.
Telescopic boom aerial work platform: This AWP has a different structure from the curved-arm truck, with a thicker chassis design and a flying arm. The power source is typically an internal combustion engine, and the operating height can reach up to 58 meters.
Spider boom aerial work platform: This AWP has outriggers that extend outwards and resembles a spider in appearance. Its narrow car body provides better passability and stability, with a structure similar to a curved-arm truck. The power source is usually an internal combustion engine, and it requires a larger construction space to ensure stable work.
Vehicle-Mounted Aerial Work Platform: This AWP is more flexible and convenient than the self-propelled AWP, making it common in China. The most commonly used equipment for repairing street lights on the roadside is the vehicle-mounted scissors, which uses a truck chassis as the basis. The development of this type of AWP has become increasingly diverse, with scissor and curved-arm versions available.
Crawler-Type Scissor Aerial Work Platform: This type of AWP has adapted to the market in recent years, with crawler-type hydraulic or electric drive scissor platforms gradually appearing. The walking mode of crawler-type scissor platforms differs from traditional wheel-type mechanisms, making it possible to cross obstacles or muddy roads and achieve free steering and turning in circles. Controller manufacturers also customize flexible operation methods.
In conclusion, understanding the classification of AWPs is crucial when selecting the most suitable machine for specific high-altitude operations. Each type of AWP has its unique features and applications, making them valuable additions to the construction machinery industry.
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Shandong Cathay Machinery Co., Ltd
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