Following the electrification of its entire product line, Chinese aerial work platform (AWP) manufacturer Dingli now introduces an oil-free, all-electric AWP series. The company said this is the first of its kind in the world and with this latest range, it has officially entered the era of “no hydraulic oil.”
The new oil-free, all-electric series currently consists of six models that offer maximum working heights of 5-16 m and maximum loads of 230-450 kg. The first batch of these models is being mass-produced, revealed Dingli.
The machines use electric actuators for lifting, lowering and steering, instead of traditional hydraulic oil cylinders. As such, there are many advantages.
One of the advantages is low energy consumption. The total transmission efficiency of the direct motor drive systems can reach up to 95%, resulting in more than 30% energy saving compared with the traditional hydraulic system, explained Dingli.
The new series also has higher levels of water and dust resistance, with built-in position sensors and real-time data monitoring of the full stroke. The drive system enables temperature, load and variable torque control, thus increasing safety.
Another advantage is easy maintenance. With no hydraulic system, it avoids system problems like valve core stuck, oil leakage, oil change, or high- and low-temperature efficiency reduction. The machines are equipped with a maintenance-free permanent magnet synchronous motor and AGM battery, which significantly reduces maintenance costs.
Greater comfort is a further advantage, said Dingli. The full stroke proportional control eliminates “the jitter and abrupt feeling” caused by self-gravity lowering of the hydraulic system.
In addition, the new series is more environment-friendly. It features a lower noise than that with the hydraulic system. Plus, it provides zero-emissions and better environmental protection.