Patent ID: 9457454
Filing Date: 2016-10-04
CPC Classification: B25B,F16C

Claim Text:
1. A hydraulic hydrostatic pressure rotation module, comprising: a table piece, formed with a mount face; an oil cavity piece, installed on the mount face, while being formed with at least one first oil cavity, a through hole, at least one second oil cavity, at least one third oil cavity, at least one first oil way, at least one second oil way, at least one third oil way and at least one fourth oil way in a manner that the at least one first oil cavity is disposed on a face of the oil cavity piece that is facing toward mount face, the at least one second oil cavity is disposed on the inner wall of the through hole, the at least one third oil cavity is disposed on a face of the oil cavity piece that is not facing toward the mount face, while allowing the first oil way to be arranged in communication with the first oil cavity, the second oil way to be arranged in communication with the second oil cavity and the first oil way, the third oil way to be arranged in communication with the third oil cavity and the second oil way, and the fourth oil way to be arranged in communication with the second oil way; a supporting oil seat, installed on a face of the oil cavity piece that is not facing toward the mount face, being formed with at least one oil entry way in a manner that the oil entry way is disposed in communication with the fourth oil way; and a spindle, disposed passing through the supporting oil seat and the through hole of the oil cavity piece while coupling to the table piece; wherein the mount face is formed with a labyrinth interface at a position neighboring to the periphery of the mount face.