Protection mechanism of hydrostatic guideway

The invention discloses a protection mechanism of a hydrostatic guideway, and belongs to the technical field of machine tool equipment. The hydrostatic guideway is connected with oil supply equipment, the protection mechanism is communicated between the oil supply equipment and the hydrostatic guideway, the protection mechanism comprises a barrel, the barrel is provided with a containing cavity and a piston in sealed sliding connection with the barrel, and the piston divides the containing cavity into an oil cavity and an air cavity; the two ends of the elastic body are connected with the piston and the bottom of the containing cavity respectively; and the two joints are both communicated with the oil cavity, one joint is communicated with oil supply equipment, and the other joint is communicated with the hydrostatic guideway. According to the protection mechanism of the static pressure guide rail, by arranging the protection mechanism, when an oil supply system is suddenly powered off, the protection mechani