The QT75S Two – speed Light – duty Truck Electric Drive Axle of Qingte Group:
What Are Its Unique Charms?
Qingte Group, a leading domestic manufacturer of commercial vehicle axles, with its profound technical foundation and unique industry insights accumulated over years of deep – rooted development in the industry, has always been committed to promoting the iterative upgrading of axle products and leading the industry’s development.
So, what makes the QT75S two – speed light – duty truck electric drive axle worthy of attention this time?
QT75S Two – speed Light – duty Truck Electric Drive Axle
With the continuous expansion of the logistics and transportation industry and the increasing requirements for vehicle performance, the domestic market for 8 – 10 – ton new energy logistics vehicles is vast. Against this backdrop, Qingte Group launched the development project of the QT75S two – speed light – duty truck electric drive axle. It has an output torque of 11,500 Nm, a speed ratio of 28.2/11.3, and a load – bearing capacity of 7.5 – 9 tons. It has many advantages and can meet the corresponding performance requirements.
Technological Innovation
l High – efficiency and High – fatigue – strength Transmission System
In response to complex working conditions, Qingte Group has carried out tooth profile and lead modification on the transmission system. What changes can this measure bring to the transmission system?
It can improve the stress distribution during gear meshing, enhance the gear safety factor, and improve the fatigue resistance.
l High – integration Shift Actuator
A 4 – in – 1 shift actuator with high integration of shift controller + shift motor + shift reduction mechanism + gear position sensor is designed. It has a compact structure, high reliability, improves the response speed and accuracy of the system, and optimizes the shift points to improve the system operation efficiency.
l High – efficiency and Reliable Lubrication System
A high – efficiency and reliable lubrication system is designed. Through lubrication simulation and testing, the design of the main reducer and axle housing is optimized. During the oil splashing process, the gears and bearings are fully lubricated, reducing the oil – churning loss, improving the overall axle efficiency, reducing the operating saturation temperature, and improving the system reliability.
l High – load – bearing Special Electric Drive Axle Housing
In view of the application scenarios and working – condition characteristics of the two – speed electric drive axle, a high – strength special electric drive axle housing with higher load – bearing capacity and higher reliability is developed. The smaller axle housing deformation and higher strength ensure the working stability of the transmission system.
Economic Practicality
l Reduced Maintenance Costs: This axle adopts a high – integration 4 – in – 1 shift actuator and maintenance – free bearing units. The oil – change mileage can reach 300,000 kilometers, increasing the overall axle attendance rate and operating mileage, and reducing the maintenance cost.
Diverse Application Scenarios: This axle is suitable for environmental areas with temperatures ranging from – 40℃ to 45℃, and it has better adaptability to the mountainous areas in southwest China with high – torque requirements.
Post time: Jan-27-2025