Tractor drive-by-wire hydraulic steering experiment table

The utility model discloses a drive-by-wire hydraulic steering experiment table for a tractor. The drive-by-wire hydraulic steering experiment table comprises a steering wheel, a photoelectric encoder, a loading knob, a loading ECU, a steering ECU, a steering transmission mechanism, a hydraulic loading system and a steering hydraulic system, each of the steering hydraulic system and the steering loading system comprises an oil pressure sensor, an electro-hydraulic servo valve, an electro-hydraulic proportional controller, an energy accumulator, an overflow valve, a one-way valve, an electromagnetic proportional overflow valve, an oil pump, a filter, a motor and an oil tank, and is used for realizing steering control and loading control; the steering transmission mechanism comprises an oil cylinder, a steering trapezoid, wheels, a steering angle sensor and a displacement sensor and is used for executing steering and loading instructions. According to the drive-by-wire hydraulic steering system, the driving wor