Gantry car washing control method, device and equipment

The invention discloses a gantry car washing control method, device and equipment.The gantry car washing control method is applied to multiple gantry car washing equipments.The gantry car washing control method comprises the steps that the vehicle length information of a to-be-washed vehicle and the voltage value of a motor are obtained, the voltage value is determined according to the contact depth of a transverse brush and the to-be-washed vehicle, and the voltage value of the motor is determined according to the contact depth of the transverse brush and the to-be-washed vehicle; the working states of the gantry and the transverse brush are adjusted according to the voltage value and a plurality of preset voltage ranges, so that the transverse brush makes appropriate contact with the to-be-cleaned vehicle, and a cleaning operation instruction is determined according to the vehicle length information and the number of the gantry vehicle cleaning equipment; and the gantry and the vertical brush are controlled