Braking Efficiency and Stability of Chassis Braking System of Combine Harvester: The Theoretical Derivation and Virtual Prototype Simulation

Table 6

Constraints added to the virtual prototype of chassis braking system.

Constraint objects		Constraint type	Constraint quantity
Object 1	Object 2
Chassis body	Front axle	Fixed joint	1
	Mass substitute ball	Fixed joint	1
	Steering axle body	Revolution joint	1
Steering axle body	Cylinder body	Revolution joint	1
	Steering pivot	Revolution joint	1
	Left/Right steering knuckle	Revolution joint	2
Cylinder rod	Cylinder body	Translational joint	1
Cylinder rod	Steering pivot	Inline	1
Steering pivot	Left/Right tie rod pair	Spherical joint	2
Left/Right tie rod pair	Left/Right pull arm	Spherical joint	2
Left/Right pull arm	Left/Right steering knuckle	Fixed joint	2
Front wheel	Front axle	Revolution joint	2
Rear wheel	Left/Right steering knuckle	Revolution joint	2
Left tie rod	Right tie rod	Revolution joint	2
Front friction pad	Front axle	Translational joint	4
Rear friction pad	Left/Right steering knuckle	Translational joint	4
Brake disk	Tire	Fixed joint	4
Road	Ground	Fixed joint	1
Total			34