Hydraulic walking system and road roller

Abstract

The utility model provides a hydraulic walking system and a road roller, the hydraulic walking system is arranged on a vehicle, the hydraulic walking system comprises: a motor assembly, the motor assembly comprises a motor body, a hydraulic control reversing valve, a control piston and an X1 interface; the variable pump assembly comprises a variable pump body, a high-pressure overflow valve, a first reversing valve, an oil supplementing overflow valve, an Ms interface, an Mp interface and an X interface; two ends of the first electromagnetic directional valve are respectively connected with the X interface and the X1 interface, and a gear switch of the vehicle is electrically connected with the first electromagnetic directional valve; the two ends of the second electromagnetic directional valve are connected with the high-pressure connector and the low-pressure connector respectively, and a brake pedal of the vehicle is electrically connected with the second electromagnetic directional valve, so that the problem that in the prior art, an engine of a hydraulic walking system of a road roller is prone to speed-down and flameout is solved.

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