Ground roughness and engine vibrations are transmitted to the driver through the seat, directly affecting their health and driving comfort. The vibration performance of the seat reflects the design concept and quality of earthmoving machinery, and its evaluation criteria have become more and more scientific with the development of technology. Next, let me show you the comfort standards for engineering machinery seats.
The current common standards include:
Chinese standards:
QC/T 55-1993 Dynamic Comfort Test Method for Automotive Seats;
GB/T 18707.1-2002 Mechanical Vibration Evaluation Laboratory Methods for Vehicle Seat Vibration Part 1 Basic Requirements;
GB/T 18707.2-2010 Mechanical Vibration Evaluation - Laboratory Methods for Vehicle Seat Vibration - Part 2: Application to Rolling Stock;
GB/T 8419-2007 (ISO 7096:2000) Earthmoving Machinery - Laboratory Evaluation of Driver Seat Vibration
EU standards:
BS EN 13490-2001 A1-2008 Mechanical vibration Industrial trucks Laboratory evaluation and specification of operator seat vibration, etc
ISO standard:
ISO 7096-2020 Earth moving machinery Laboratory evaluation of operator seat vibration;
ISO 10326-1-2016 Mechanical vibration Laboratory method for evaluating vehicle seat vibration, etc
The Chinese QC/T 55-1993 standard has been widely adopted by the automotive industry in China.
Engineering machinery is mostly non road machinery and vehicles, and their working surfaces are very complex. Currently, there is little research on simulating the working environment of engineering machinery seats outdoors and the driving comfort on road surfaces. Most of them rely on vibration tables to simulate the characteristics and working conditions of seats in the laboratory, and evaluate the vibration reduction performance of seats in the laboratory.